FirstEnergy Nuclear Operating Company; FirstEnergy Nuclear Generation Corp.; Ohio Edison Company; The Toledo Edison Company; Beaver Valley Power Station, Unit Nos. 1 and 2; Draft Environmental Assessment and Finding of No Significant Impact Related to the Proposed License Amendment To Increase the Maximum Reactor Power Level, 26985-26994 [E6-6999]
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Federal Register / Vol. 71, No. 89 / Tuesday, May 9, 2006 / Notices
given to comments received after this
date. John Asalone, Office of
Information and Regulatory Affairs
(3150–0014), NEOB–10202, Office of
Management and Budget, Washington,
DC 20503. Comments can also be emailed to
John_A._Asalone@omb.eop.gov or
submitted by telephone at (202) 395–
4650.
The NRC Clearance Officer is Brenda
Jo. Shelton, 301–415–7233.
Dated at Rockville, Maryland, this 3rd day
of May, 2006.
For the Nuclear Regulatory Commission.
Brenda Jo. Shelton,
NRC Clearance Officer, Office of Information
Services.
[FR Doc. E6–6997 Filed 5–8–06; 8:45 am]
BILLING CODE 7590–01–P
NUCLEAR REGULATORY
COMMISSION
[Docket Nos. 50–259, 50–260, and 50–296]
mstockstill on PROD1PC68 with NOTICES
Tennessee Valley Authority; Browns
Ferry Nuclear Plant, Units 1, 2, and 3
Notice of Issuance of Renewed Facility
Operating License Nos. DPR–33, DPR–
52, and DPR–68 for an Additional 20Year Period
Notice is hereby given that the U.S.
Nuclear Regulatory Commission (the
Commission) has issued Renewed
Facility Operating License Nos. DPR–33,
DPR–52, and DPR–68 to the Tennessee
Valley Authority (the licensee), the
operator of the Browns Ferry Nuclear
Plant (BFN), Units Nos. 1, 2, and 3 (Unit
1, 2, and 3). Renewed Facility Operating
License No. DPR–33 authorizes
operation of BFN, Unit 1, by the
licensee at reactor core power levels not
in excess of 3293 megawatts thermal
(1100 megawatts electric), in accordance
with the provisions of the BFN renewed
license and its Technical Specifications.
Renewed Facility Operating License No.
DPR–52 authorizes operation of BFN,
Unit 2, by the licensee at reactor core
power levels not in excess of 3458
megawatts thermal (1155 megawatts
electric), in accordance with the
provisions of the BFN renewed license
and its Technical Specifications.
Renewed Facility Operating License No.
DPR–68 authorizes operation of BFN,
Unit 3, by the licensee at reactor core
power levels not in excess of 3458
megawatts thermal (1155 megawatts
electric), in accordance with the
provisions of the BFN renewed license
and its Technical Specifications.
BFN, Units 1, 2, and 3, are located on
the north shore of Wheeler Reservoir in
Limestone County, Alabama, at
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15:42 May 08, 2006
Jkt 208001
Tennessee River Mile 294. The site is
approximately 30 miles west of
Huntsville, Alabama; it is also 10 miles
northwest of Decatur, Alabama, and 10
miles southwest of Athens, Alabama.
The licensee’s application for the
renewed licenses complied with the
standards and requirements of the
Atomic Energy Act of 1954, as amended
(the Act), and the Commission’s
regulations. As required by the Act and
the Commission’s regulations in 10 CFR
Chapter I, the Commission has made
appropriate findings, which are set forth
in each license. Prior public notice of
the action involving the proposed
issuance of the renewed licenses and of
an opportunity for a hearing regarding
the proposed issuance of the renewed
licenses was published in the Federal
Register on March 10, 2004 (69 FR
11460).
For further details with respect to this
action, see (1) the Tennessee Valley
Authority license renewal application
for Browns Ferry Nuclear Plant, Units 1,
2, and 3 dated December 31, 2003, as
supplemented by letters dated through
April 4, 2006; (2) the Commission’s
safety evaluation report (NUREG–1843
and Supplement 1), published in April
2006; and (3) the Commission’s final
environmental impact statement
(NUREG–1437, Supplement 21),
published in June 2005. These
documents are available at the NRC
Public Document Room, One White
Flint North, 11555 Rockville Pike,
Rockville, Maryland 20852, and can be
viewed from the NRC Public Electronic
Reading Room at (https://www.nrc.gov/
reading-rm/adams.html).
Copies of Renewed Facility Operating
License Nos. DPR–33, DPR–52, and
DPR–68 may be obtained by writing to
the U.S. Nuclear Regulatory
Commission, Washington, DC 20555–
0001, Attention: Director, Division of
License Renewal. Copies of the BFN,
Units 1, 2, and 3, Safety Evaluation
Report (NUREG–1843 and Supplement
1) and the Final Environmental Impact
Statement (NUREG–1437, Supplement
21) may be purchased from the National
Technical Information Service, U.S.
Department of Commerce, Springfield,
VA 22161–0002 (https://www.ntis.gov),
703–605–6000, or the Superintendent of
Documents, U.S. Government Printing
Office, P.O. Box 371954, Pittsburgh, PA
15250–7954 (https://
www.gpoaccess.gov), 202–512–1800. All
orders should clearly identify the NRC
publication number and the requester’s
Government Printing Office deposit
account number or a VISA or
MasterCard number and expiration date.
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26985
Dated at Rockville, Maryland, this 4th day
of May 2006.
For the Nuclear Regulatory Commission.
Pao-Tsin Kuo,
Deputy Director, Division of License Renewal,
Office of Nuclear Reactor Regulation.
[FR Doc. E6–6995 Filed 5–8–06; 8:45 am]
BILLING CODE 7590–01–P
NUCLEAR REGULATORY
COMMISSION
[Docket Nos. 50–334 and 50–412]
FirstEnergy Nuclear Operating
Company; FirstEnergy Nuclear
Generation Corp.; Ohio Edison
Company; The Toledo Edison
Company; Beaver Valley Power
Station, Unit Nos. 1 and 2; Draft
Environmental Assessment and
Finding of No Significant Impact
Related to the Proposed License
Amendment To Increase the Maximum
Reactor Power Level
U.S. Nuclear Regulatory
Commission (NRC).
ACTION: Notice of opportunity for public
comment.
AGENCY:
SUMMARY: The NRC has prepared a Draft
Environmental Assessment as part of its
evaluation of a request by FirstEnergy
Nuclear Operating Company (FENOC),
et al., for a license amendment to
increase the maximum rated thermal
power at Beaver Valley Power Station,
Unit Nos. 1 and 2 (BVPS–1 and 2) from
2689 megawatts-thermal (MWt) to 2900
MWt. This represents a power increase
of approximately 8 percent for BVPS–1
and 2. As stated in the NRC staff’s
position paper dated February 8, 1996,
on the Boiling-Water Reactor Extended
Power Uprate (EPU) Program, the NRC
staff will prepare an environmental
impact statement if it believes a power
uprate will have a significant impact on
the human environment. The NRC staff
did not identify any significant impact
from the information provided in the
licensee’s EPU application for BVPS–1
and 2 or from the NRC staff’s
independent review; therefore, the NRC
staff is documenting its environmental
review in an environmental assessment
(EA). Also, in accordance with the
position paper, this Draft Environmental
Assessment and Finding of No
Significant Impact is being published in
the Federal Register with a 30-day
public comment period.
Environmental Assessment
Plant Site and Environs
The EPU would apply to the facilities
at the BVPS–1 and 2 site, located on the
south bank of the Ohio River in
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Shippingport Borough, Beaver County,
Pennsylvania. The station site consists
of 449 acres and it lies approximately 25
miles northwest of Pittsburgh,
Pennsylvania, one mile southeast of
Midland, Pennsylvania, 5 miles east of
Liverpool, Ohio, 8 miles east of Newell,
West Virginia, and 6 miles southwest of
Beaver, Pennsylvania.
BVPS–1 and 2 are located within the
Pittsburgh Low Plateau Section of the
Appalachian Plateau Physiographic
Province, which is characterized by a
smooth, upland surface cut by
numerous narrow, relatively shallow
river valleys. The site region
encompasses portions of Pennsylvania,
Ohio, and West Virginia, and the site
elevation ranges from 660 to 1,700 feet
above sea level.
The major river systems in the region
consist of the Monongahela, Allegheny,
and Ohio Rivers, and their tributaries.
The Ohio River is formed by the
juncture of the Monongahela and
Allegheny Rivers at Pittsburgh, and
extends 981 river miles to Cairo,
Illinois, where it joins the Mississippi
River. The Ohio River and lower
portions of the Allegheny and
Monongahela Rivers are maintained and
controlled by a series of locks and dams
operated by the U.S. Army Corps of
Engineers.
BVPS–1 and 2 consist of two lightwater cooled, pressurized-water reactors
(PWRs) with a current authorized
maximum reactor core power level
output of 2689 MWt for each unit. The
two units employ a closed-loop cooling
system that includes a natural draft
cooling tower (CT) (one per unit) to
dissipate waste heat to the atmosphere.
The BVPS–1 and BVPS–2 circulating
water systems (CWSs) are non-safety
related and provide cooling water for
the main condensers of the turbinegenerator units. The closed-loop
systems consist of CT pumps,
pumphouses, CWS piping, main
condenser vacuum priming systems,
mechanical tube cleaning system
(BVPS–2 only), natural draft, hyperbolic
CTs for removal of waste heat from the
main condensers, and associated
hydraulic and electrical equipment.
Identification of the Proposed Action
By letter dated October 4, 2004,
FENOC proposed an amendment to the
operating licenses for BVPS–1 and 2 to
increase the maximum rated thermal
power level by approximately 8 percent,
from 2689 MWt to 2900 MWt. The
change is considered an EPU because it
would raise the reactor core power level
more than 7 percent above the original
licensed maximum power level. This
proposed action would allow the heat
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15:42 May 08, 2006
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output of the reactor to increase, which
would increase the flow of steam to the
turbine. This would allow the turbinegenerator to increase the production of
power and would increase the amount
of waste heat delivered to the
condenser, resulting in an increase in
the circulating water condenser
discharge temperature, evaporation flow
rates, and blowdown concentrations.
Moreover, the temperature of water
discharged from the service water
systems (SWSs) to the Ohio River would
increase slightly due to the increased
heat load, but flow rates would remain
unchanged.
In April 2001, the NRC approved a
FENOC request to increase the licensing
basis core power level of BVPS–1 and 2
by 1.4 percent; no other power uprates
have been requested or granted for this
site.
The Need for the Proposed Action
The purpose and need for the
proposed action (EPU) is to increase the
maximum thermal power level of
BVPS–1 and 2, thereby increasing the
electric power generation. The increase
in electric power generation would give
FENOC the capability to provide lower
cost power to its customers than can be
obtained otherwise in the current and
anticipated energy market.
Environmental Impacts of the Proposed
Action
At the time of issuance of the
operating license for BVPS–1 and 2, the
NRC staff noted that any activity
authorized by the license would be
encompassed by the overall action
evaluated in the Final Environmental
Statements (FESs) for the operation of
BVPS–1 and 2, which were issued in
July 1973 for BVPS–1 and September
1985 for BVPS–2. This EA summarizes
the radiological and non-radiological
impacts in the environment that may
result from the proposed action.
Non-Radiological Impacts
Land Use Impacts
The potential impacts associated with
land use for the proposed action include
impacts from construction and plant
modifications. FENOC or its subsidiary
companies own all land within the
BVPS–1 and 2 exclusion area except the
Ohio River proper; onsite property
owned by Duquesne Light (i.e., the
switchyard tract, which is jointly owned
by Duquesne Light and FENOC); the
eastern portion of Phillis Island, owned
by the U.S. Government and
administered by the U.S. Fish and
Wildlife Service (FWS); and 7.4 acres of
the Freeport Development Company
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(now Laurel Ventures) tract, located
along the southern BVPS–1 and 2 site
boundary. However, appropriate
controls are in place to restrict use of
these lands. In case of an emergency
that threatens persons or the
environment, FENOC has the authority
to enter the switchyard (after notifying
Duquesne Light) to take action to
prevent damage, injury, or loss. Limited
hunting is permitted on Phillis Island,
but no public assembly is allowed there.
Similarly, the Freeport Development
Company property restricts use of this
land by current and future purchasers or
leasers.
The Beaver County Planning
Commission estimates that forest land
accounts for 49.5 percent (140,840
acres) of all land in Beaver County,
while agricultural lands account for 26.2
percent (73,892 acres). Forested lands
are prevalent in western Beaver County.
Residential lands account for 15.5
percent (44,050 acres), while industrial,
commercial, and other non-residential
urban land uses account for only 4.1
percent of the County’s land area.
Included in these industrial lands are
brownfield sites of former steel
manufacturing operations, including
sites along the Ohio River.
Several public lands in the vicinity of
the BVPS–1 and 2 site are dedicated to
wildlife management and recreation.
These public lands include a portion of
the Ohio River Islands National Wildlife
Refuge, Raccoon Creek State Park,
Beaver Creek, State Forest, Brady Run
County Park, and several areas of the
Pennsylvania Game Lands.
Shippingport Community Park, a 7.5acre public recreation facility, is located
along State Route 3016 in Shippingport.
The Shippingport Boat Ramp is located
approximately 800 feet upstream from
the BVPS–1 and 2 site eastern boundary
on the Ohio River.
Phillis Island and Georgetown Island
are located in the BVPS–1 and 2 site
vicinity and have been designated as
part of a National Wildlife Refuge.
Phillis Island (approximately 39 acres)
is situated approximately 400 feet
offshore of the downstream portion of
the BVPS–1 and 2 site and lies partially
within the BVPS–1 and 2 exclusion
area. The 16.2-acre Georgetown Island is
located approximately three river miles
downstream from the BVPS–1 and 2
site.
The Municipality of Shippingport
Borough has zoned the BVPS–1 and 2
site as industrial except for the tract on
which the Training and Simulator
Buildings are located, which is zoned
business. Some land adjacent to the site,
south of State Route 168, is zoned
residential. However, this area is small,
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consists of steep, wooded slopes, and
has limited potential for growth. The
U.S. Coast Guard has established a
Restricted Use Zone encompassing all
waters extending 200 feet from FENOC’s
BVPS–1 and 2 property line along the
southeastern shoreline of the Ohio
River. Entry of persons or vessels into
this Restricted Use Zone is prohibited
unless authorized by the Coast Guard
Captain of the Port of Pittsburgh or his
designated representative.
The proposed EPU would not require
any land disturbance to the BVPS–1 and
2 site. The EPU would not significantly
affect material storage, including
chemicals and fuels stored on site. The
most significant modifications that
would take place to support the EPU
include replacement of the highpressure turbine rotor, changes to the
transformer cooler, replacement of the
BVPS–1 steam generators (SGs), and
replacement of the CT fill. None of these
modifications would result in changes
in land use.
FENOC does not plan to conduct
major refurbishment or significant landdisturbing activities to implement the
EPU. FENOC has stated that there
would be no refurbishment-related
impacts on historic and archaeological
resources associated with the EPU. The
proposed EPU would not modify the
current land use activities at the site
beyond that described in the July 1973
or the September 1985 FESs related to
the operation of BVPS–1 and 2.
Therefore, the staff concludes that the
land use impacts of the proposed EPU
are bounded by the impacts previously
evaluated in the FESs.
Cooling Tower Impacts
The potential impacts associated with
increased CT operation for the proposed
action include aesthetic impacts due to
the increased moisture content of the
air. Other impacts include fogging,
icing, thermal, suspended solids, and
noise. BVPS–1 and 2 employ a closedloop cooling system including a natural
draft CT (one per unit) to dissipate
waste heat to the atmosphere. The two
CTs are natural draft, hyperbolic,
reinforced concrete shells,
approximately 500 feet high.
There would be roughly a 10-percent
increase in the evaporation rates from
the CTs as a result of the EPU. The wide
dispersion and elevated CT exhaust
plumes of the natural draft CTs at
BVPS–1 and 2 would continue to
provide an advantage in mitigating any
fogging and icing potentials. The fogging
potential of the CT plumes would be
slightly diminished compared to the
existing plume trajectories. The EPU
higher heat load would increase the CT
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15:42 May 08, 2006
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exit velocity and temperature. The
plumes would be more buoyant and
have a slightly higher upward velocity.
This reduces the potential for fogging.
The icing potential of the plumes during
the EPU operation may increase slightly,
with a maximum of 8 percent more
icing than indicated by the original
plume studies in the Updated Final
Safety Analysis Reports (UFSARs). This
results in an additional thickness of
0.002 inches compared to the original
estimates. However, the original icing
estimates were based on very high drift
rates and depositions that, according to
FENOC, have not occurred in the past
28 years. Therefore, no significant
fogging or icing would occur as a result
of the EPU.
The increased plant load due to the
EPU would increase the CT blowdown
discharge temperature to the Ohio River
by approximately 3 degrees Fahrenheit
(°F). The CT evaporation rate would
increase by up to an additional 10
percent, which would reduce CT
blowdown flow. Concentrate solutions
and suspensions in the discharged water
are expected to increase, and yield up
to 10 percent more solids deposition in
the CTs. The National Pollutant
Discharge Elimination System (NPDES)
permit specifies that the discharge may
not change the temperature of the
receiving stream by more than 2 °F in
any one hour. The data evaluated
indicate that the post-EPU discharges
would not challenge this NPDES permit
parameter. Based on Environmental
Protection Agency (EPA) standards, the
water temperature at representative
locations in the Ohio River shall not
exceed the monthly maximum limits by
more than 3 °F. The month of January
has the most limiting EPA maximum
temperature of 50 °F. In addition, the
data evaluated indicate that the
evaporation related to operation at EPU
conditions would not cause the mass or
concentration parameters of the CT
blowdown to exceed the BVPS–1 and 2
NPDES permit parameter limits.
Furthermore, the additional 10-percent
increase in suspended solids would not
cause significant impacts to the Ohio
River, and sedimentation from the CTs
would be removed during refueling
outages.
The aesthetic impacts associated with
increased CT operation would not
change significantly from the aesthetic
impacts associated with the current CT
operation. No significant increase in
noise is anticipated for CT operation
because there would be no change in
flowrate and no new CT construction.
The fogging potential of the CT plumes
of the natural draft CTs at BVPS–1 and
2 is slightly diminished compared to the
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26987
existing plume trajectories due to higher
heat load, which would increase the CT
exit velocity and temperature, making
the elevation of the plumes even further
from the ground. Therefore, the NRC
staff concludes that there are no
significant impacts associated with
increased CT operation for the proposed
action.
Transmission Facility Impacts
The potential impacts associated with
transmission facilities for the proposed
action include changes in transmission
line corridor right-of-way maintenance
and electric shock hazards due to
increased current. The proposed EPU
would not require any physical
modifications to the transmission lines.
FENOC implements a specific program
for ensuring continued safe and reliable
operation of these transmission lines,
continued compatibility of land uses on
the transmission corridors, and
environmentally sound maintenance of
the corridors.
FENOC conducts transmission line
corridor right-of-way maintenance
through helicopter inspections of
transmission lines to determine the
physical condition of towers,
conductors and other equipment; status
of vegetation communities; land use
changes; and any encroachments on the
line. On-foot inspections are conducted
to manage vegetation growth, and crews
are sent to problem areas to make onsite
inspections and repairs, as needed.
Routine vegetation maintenance of the
rural transmission line corridors is
managed to promote a diversity of
shrubs, grasses, and other groundcover
that provides wildlife food and cover.
Maintenance efforts prescribed for
transmission corridors include the
removal, pruning, and chemical control
of woody vegetation as necessary to
ensure adequate clearance for safe and
reliable operation of the line.
Management of the corridor edge and
beyond involves identification and
removal of hazardous trees. These
maintenance procedures are not
expected to change as a result of the
proposed action.
There would be an increase in current
passing through the transmission lines
associated with the increased power
level of the proposed EPU. The
increased electrical current passing
through the transmission lines would
cause an increase in electromagnetic
field strength. The National Electric
Safety Code (NESC) provides design
criteria that limit hazards from steadystate currents induced by transmission
line electromagnetic fields. The NESC
limits the short-circuit current to ground
to less than 5 miliamperes (mA). FENOC
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mstockstill on PROD1PC68 with NOTICES
conducted an independent analysis of
each of the transmission lines to
determine conformance with the current
NESC standard. As a result of the EPU,
FENOC does not expect changes in
operating voltage or other parameters for
these lines that would affect
conformance status with respect to the
NESC 5-mA standard. Currently, all
circuits at BVPS–1 and 2 meet NESC
requirements for limiting induced
shock.
The impacts associated with
transmission facilities for the proposed
action would not change significantly
from the impacts associated with
current plant operation. No new
transmission lines are expected to be
constructed as a result of the EPU. There
would be no physical modifications to
the transmission lines, transmission line
rights-of-way maintenance practices
would not change, there would be no
changes to transmission line rights-ofway or vertical clearances, and electric
current passing through the
transmission lines would increase only
slightly. Therefore, the NRC staff
concludes that there are no significant
impacts associated with transmission
facilities for the proposed action.
Water Use Impacts
Water used for BVPS–1 and 2 site
operations consists of raw water from
the Ohio River and potable water from
the Midland Borough Municipal Water
Authority (MWA). Water withdrawn
from the Ohio River is used primarily
for cooling, initially as once-through
non-contact cooling water for primary
and secondary heat exchangers in
BVPS–1 and 2. Most of this water is
then used as makeup to the CWSs,
which provide cooling for the main
condensers, to replace water lost from
evaporation and drift from the CTs, and
to maintain dissolved solids at design
equilibrium. A small fraction of water
withdrawn from the river is used as
feedwater for production of
demineralized water (for use in nuclear
steam supply system primary and
secondary cooling loops) and other
purposes. Cooling water not consumed
by evaporation and drift losses and
other treated wastewater streams is
ultimately discharged back to the Ohio
River in accordance with the NPDES
permit for the BVPS–1 and 2 site issued
by the Pennsylvania Department of
Environmental Protection.
Municipal water from MWA supplies
the station domestic water distribution
system. Sanitary wastewater is treated
in the BVPS–1 and 2 sewage treatment
plants. Though the BVPS–1 and 2 site
originally drew water from onsite wells
and the Ohio River as supply sources for
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15:42 May 08, 2006
Jkt 208001
domestic water, no groundwater is
currently used at BVPS–1 and 2, and no
future use of groundwater is anticipated.
Potential water use impacts from the
proposed action include hydrological
alterations to the Ohio River and
changes to plant water supply. Water
from the BVPS–1 SWS is discharged to
the BVPS–1 CWS, and water from the
BVPS–2 SWS (excluding up to 8,400
gallons per minute (gpm) discharged to
the emergency outfall structure) is
discharged to the BVPS–2 CWS. This
makeup water replaces consumptive
losses due to evaporation and drift from
the CTs. The excess makeup overflows
at the CT basin and is directed back to
the river as CT blowdown. CT
blowdown flow also keeps dissolved
solids in the CWSs within design limits.
Makeup flows to the CWSs would be
essentially unchanged from pre-EPU
conditions. Since the consumptive loss
would increase (due to increased
evaporation), less water would overflow
the basin as CT blowdown when
operating at the EPU conditions, leading
to an increase in the maximum
dissolved solids concentration of the
blowdown by approximately 7 percent,
with an increase in blowdown
temperature of less than 3 °F at design
conditions noted above, and a decrease
in blowdown flow amounts
approximately equivalent to the
increase in evaporation rates. With
respect to these changes, FENOC
determined that the combined
maximum monthly average blowdown
flows for the BVPS–1 and 2 units
operating at the EPU maximum power
levels of 2,900 MWt would be less than
42,500 gpm. BVPS–1 and 2 operational
monitoring data indicate that this is
likely a conservative upper-bound
estimate; for a recent 2-year period prior
to power uprate (2001–2002), actual
maximum monthly average blowdown
discharge flow from BVPS–1 and 2 was
approximately 38,000 gpm.
Predicted monthly average
temperature differences between the
blowdown and the ambient river water
at current authorized maximum power
levels range from 2.4 °F in August to
28.6 °F in January. During June through
August, when ambient river
temperatures under this prediction are
highest (75–80 °F), this temperature
differential ranges as high as 7.2 °F.
BVPS–1 and 2 operational monitoring
indicates that this range is appropriate
for periods of high ambient water
temperature. For example, average
temperature differential between BVPS–
1 and 2 blowdown and the ambient
river was approximately 5.5 °F for
August 2002, a month in which both
BVPS–1 and 2 units were operated at or
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Fmt 4703
Sfmt 4703
near full power and ambient
temperature of the Ohio River averaged
82 °F, at or near its highest of the year.
Considering the expected maximum
increase of less than 3 °F in blowdown
temperature at design conditions noted
above, FENOC therefore expects that
this monthly average temperature
differential during summer months
when ambient river temperatures are
highest (between June and August)
would range from approximately 5 °F to
10 °F when both units are operating at
maximum power levels of 2,900 MWt.
As noted above, temperature effects
would not be expected to challenge
NPDES permit parameters or EPA
standards for the Ohio River.
The annual average flow of the Ohio
River at the BVPS–1 and 2 site is 39,503
cubic feet per second (cfs; or 1.25 × 10 12
cubic feet per year), which meets NRC’s
annual flow criterion for classification
as a small river. The results of FENOC’s
analysis indicate that the lowest average
flow in the Ohio River at the BVPS site
is approximately 5,300 cfs, which
occurs once in 10 years for 7-day
duration. Based on estimates from the
U.S. Army Corps of Engineers, the
minimum expected flow under
conditions corresponding to the lowest
flow of record, which occurred in 1930,
is approximately 4,000 cfs.
Consumptive water losses resulting
from BVPS–1 and 2 operation comprise
a very small fraction of flow in the Ohio
River, even under low flow conditions.
FENOC estimates that the maximum
consumptive loss that would occur if
both BVPS–1 and 2 were operated at
their maximum uprated power level
(2,900 MWt per unit) would be
approximately 59 cfs or 1.1 percent and
1.5 percent of the once-in-10-year low
flow rate and the lowest flow of record
of the Ohio River, respectively.
The EPU would not involve any
configuration change to the intake
structure. The pump capacity would not
change; therefore, there would not be an
increase in the rate of withdrawal of
water from the Ohio River. There would
be a slight increase in the amount of
Ohio River water consumed as a result
of the EPU under all cooling modes of
operation due to increased evaporative
losses. However, the increased
evaporative loss would be insignificant
relative to the flow in the Ohio River,
even under low flow conditions.
Therefore, the NRC staff concludes that
there would be no significant impact to
the hydrological pattern of the Ohio
River, and there would be no significant
impact to plant water supply due to the
proposed action.
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Discharge Impacts
Once cooling water from the BVPS–1
plant river and raw water system has
served its plant components, it is
discharged to the BVPS–1 CWS to make
up operational water losses from that
system. Similarly, once cooling water
from the BVPS–2 SWS has served its
plant components, most of it is
discharged to the BVPS–2 CWS
downstream from the main condenser to
replace operational losses from that
system. As much as 8,400 gpm (19 cfs)
originating from the BVPS–2 primary
(reactor plant) heat exchangers and
components is discharged to the Ohio
River via the emergency outfall
structure to reduce silt accumulation in
that system. Under normal plant
operations, the temperature of this
discharge to the emergency outfall
structure is approximately 12 °F above
ambient river temperature. FENOC
calculations indicate that operation at
the EPU power level of 2,900 MWt
would increase this temperature by less
than 1 °F.
Makeup water is supplied to the
BVPS–1 closed-loop CWS by
discharging the plant river and raw
water (service water for BVPS–2) into
the circulating water condenser
discharge lines. In these systems, water
heated by passage through the main
condensers is circulated through the
CTs, where waste heat is removed
primarily by evaporation. The cooled
water, which accumulates in a basin
beneath each CT, is recirculated back
through the main condensers. CWS
system flow would remain essentially
unchanged following the EPU. The
increased levels of rejected heat
resulting from an increase in turbine
exhaust flow would increase the CWS
condenser outlet temperature by less
than 3 °F at bounding design condition.
No additional chemical usage is
planned as a result of operation at EPU
conditions. No additional pumps to
increase water usage would be added.
Therefore, total chemical mass and
concentration in the service and river
water systems would not be changed,
and the chemical mass in the CWSs
would not be changed. BVPS–1 and 2
site operations have had no known
impact on public health from
thermophilic microbial pathogens. Risk
to human health is low due to poor
conditions for supporting populations of
such organisms in the Ohio River,
including areas affected by the thermal
discharge, and low potential for
exposure of the public in the thermally
affected zone.
The impacts of continued dredging
generally were determined to be minor
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for other resources, including aquatic
macroinvertebrates, fish, aquatic
vegetation, wetlands, and terrestrial
biota (e.g., riparian zone communities).
In the Commonwealth of Pennsylvania,
these dredging activities require
dredging permits issued by the U.S.
Army Corps of Engineers and Water
Obstruction and Encroachment Permits
and Sand and Gravel License
Agreements issued by the Pennsylvania
Department of Environmental
Protection, which act to control these
activities to ensure that adverse
environmental impacts are minimized.
At BVPS–1 and 2, most of the cooling
water is recirculated and kept at a
relatively high temperature. The oncethrough cooling water discharged at the
emergency outfall structure and the CT
blowdown are routinely treated with
biocides, including calcium
hypochlorite. Some residual chlorine,
within limits prescribed in the NPDES
permit, may be discharged. These
biocide applications significantly
reduce the likelihood that microbial
pathogens would be discharged into the
area of concern or pose occupational
health risks. Limited access by members
of the public to waters and sediment in
the immediate cooling water discharge
areas further lowers health risks. Access
to the BVPS–1 and 2 site by members
of the public is subject to control, and
shore-based recreation (e.g., fishing) on
the property by the public is not
permitted. In addition, the U.S. Coast
Guard has established a Restricted Use
Zone encompassing all waters extending
200 feet from FENOC’s BVPS property
line along the southeastern shoreline of
the Ohio River. Entry of persons or
vessels into this Restricted Use Zone is
prohibited unless authorized by the
Coast Guard Captain of the Port of
Pittsburgh or his designated
representative.
FENOC is not aware of any public
health concerns or incidents related to
the BVPS–1 and 2 site cooling water
discharge. In response to FENOC’s
general request to agencies for
information as part of its new and
significant information review for the
EPU, the Pennsylvania Department of
Health indicated that it was not aware
of any significant health issues that
might result from the EPU. Therefore,
the NRC staff concludes that the
environmental impacts of the proposed
action associated with BVPS–1 and 2
discharge would not be significant.
Impacts on Aquatic Biota
The potential impacts to aquatic biota
from the proposed action include
impingement, entrainment, thermal
discharge effects, and impacts due to
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26989
transmission line right-of-way
maintenance. BVPS–1 and 2 has intake
and discharge structures on the Ohio
River. The aquatic species evaluated in
this EA are those which occur in the
vicinity of the intake and discharge
structures.
Closed-cycle cooling reduces
potential impacts from impingement,
entrainment, and thermal discharge.
Under normal operating conditions,
both BVPS–1 and 2 units are not shut
down simultaneously, reducing
potential impacts from cold shock.
Considered together with the small
quantity of river water the BVPS–1 and
2 closed-loop cooling system requires,
the potential for fish entrainment and
impingement is greatly reduced by the
design and operation of the intake
structure.
Population increases of some fish
species have apparently occurred since
BVPS–1 and 2 initiated operation.
Annual monitoring of the fish
community at BVPS–1 and 2 indicates
the presence of special-status fish
species at both control and non-control
stations. Monitoring conducted at
BVPS–1 and 2 from 1976 through 1995
indicated that impacts from entrainment
of fish eggs and larvae were not
significant, and that impingement losses
were small and had little impact on fish
populations. Review of BVPS–1 and 2
annual monitoring reports and the
BVPS–2 Operating License Stage
Environmental Review (ER) indicates
that none of these special status species
were specifically identified in egg and
larvae samples collected during
entrainment monitoring. The impacts of
impingement of fish and shellfish are
negligible, and would not be expected to
increase as a result of the proposed
action. The BVPS–1 and 2 NPDES
permit specifies that the discharge may
not change the temperature of the
receiving stream by more than 2 °F in
any one hour. The data evaluated
indicate that the post-EPU discharges
would not challenge this NPDES permit
parameter.
The EPU would not increase the
amount of water withdrawn from the
river, and the increased discharge
temperature would not compromise the
NPDES permit parameters, and
therefore, would not result in significant
environmental impacts. As discussed in
the transmission facility impacts section
of this EA, there are no changes in the
transmission line right-of-way
maintenance practices associated with
the proposed action. Therefore, the NRC
staff concludes that there are no
significant adverse impacts to aquatic
biota for the proposed action.
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Impacts on Terrestrial Biota
The potential impacts to terrestrial
biota from the proposed action include
impacts due to transmission line rightof-way maintenance. As discussed in
the transmission facility impacts section
of this EA, transmission line right-ofway maintenance practices would not
change for the proposed action. FENOC
does not plan to conduct major
refurbishment or significant landdisturbing activities to implement the
EPU. Therefore, the NRC staff concludes
that there are no significant impacts to
terrestrial biota associated with
transmission line right-of-way
maintenance for the proposed action.
Impacts on Threatened and Endangered
Species
Potential impacts to threatened and
endangered species from the proposed
action include the impacts assessed in
the aquatic and terrestrial biota sections
of this EA. These impacts include
impingement, entrainment, thermal
discharge effects, and impacts due to
transmission line right-of-way
maintenance for aquatic species, and
impacts due to transmission line rightof-way maintenance or construction
refurbishment activities for terrestrial
species.
There are eleven species listed as
threatened or endangered under the
Federal Endangered Species Act within
Beaver County, Pennsylvania. These
include the following:
TABLE 1.—THREATENED AND ENDANGERED SPECIES FOR BEAVER COUNTY, PA
Mussels ................................
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Fish .......................................
Plants ...................................
Reptiles ................................
Birds .....................................
Mammals ..............................
Northern riffleshell (Epioblasma torulosa rangiana), Clubshell (Pleurobema clava), Dwarf wedgemussel
(Alasmidonta heterodon).
Shortnose sturgeon (Acipenser brevirostrum).
Small-whorted pogonia (Isotria medeoloides), Northeastern bulrush (Scirpus ancistrochaetus).
Bog turtle (Clemmys mublenbergii), Eastern massasauga rattlesnake (Sistrurus catenatus catenatus).
Bald eagle (Haliaeetus leucocephalus), Piping plover (Charadrius melodus).
Indiana bat (Myotis sodalis).
Consultations with the FWS have
been conducted to verify that this list of
threatened or endangered species of
potential concern to the BVPS–1 and 2
EPU is accurate. In a letter dated
October 2, 2003, the Pennsylvania FWS
stated that there are no federally listed
or proposed threatened or endangered
species under its jurisdiction in the
vicinity of BVPS–1 and 2. FWS
indicates that no federally listed or
proposed threatened and endangered
species are known to occur within the
project impact area. The NRC staff’s
review and conclusions for each species
is presented in the following
paragraphs.
The species of concern consist of
three mussels, two plants, two reptiles,
two birds, one fish, and one mammal.
The three federally listed mussel species
were last documented as occurring in
the upper Ohio River or lower
Allegheny River in early 1900s. The
Clubshell mussel (Pleurobema clava)
and Northern riffleshell mussel
(Epioblasma torulosa rangiana) have
been collected in the French Creek and
Allegheny River watersheds in Clarion,
Crawford, Erie, Forest, Mercer, Venango,
and Warren Counties; no adverse
impacts to these mussels are known to
occur from the proposed actions.
The two mussel species known to
occur in the area are typically found in
areas with substrates composed of clean
gravel or a mix of sand and gravel, and
which have moderate water current.
However, the Northern riffleshell
mussel has also been collected in
quieter waters, such as in the Great
Lakes at a depth of greater than 35 feet
on suitable substrate. The Northern
riffleshell mussel prefers firmly packed
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gravel or sand. Potential habitats might
include islands, nearshore areas, and
the head ends of pools. The FWS has
not designated critical habitat for this
species. Since there has not been
extensive dive sampling throughout the
study area, it is not known with
certainty whether this species occurs in
other pools of the Allegheny and Ohio
Rivers.
The two federally listed plant species
of concern, Small-whorted pogonia
(Isotria medeoloides) and Northeastern
bulrush (Scirpus ancistrochaetus), are
endangered nationwide and extremely
rare. No occurrence records were
identified for these species in areas of
significance to the BVPS–1 and 2 EPU.
Only three populations of Smallwhorted pogonia are known to exist in
the Commonwealth, none in
southwestern Pennsylvania. Information
from the Pennsylvania Department of
Conservation and Natural Resources
indicates that there are no recent
historical records of these species in
Beaver and Allegheny Counties. Some
areas in or near the transmission line
corridor may be consistent with the
habitat affinities.
The two federally listed reptile
species of concern, the Bog turtle
(Clemmys mublenbergii) and Eastern
massasauga rattlesnake, have not been
sighted in Beaver or Allegheny
Counties. There is little or no suitable
wetland habitat on or near the BVPS–1
and 2 site or Beaver Valley-Crescent
Line 318 transmission corridor for these
species.
The two federally listed bird species,
the Bald eagle (Haliaeetus
leucocephalus) and the Piping plover
(Charadrius melodus), are endangered,
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and there are no records of these species
on the BVPS–1 and 2 site. According to
the FWS, the Bald eagle, a federally
listed threatened species, may possibly
be found state-wide in Pennsylvania. It
is primarily found in riparian areas and
is associated with coasts, rivers, and
lakes. The Bald eagle usually nests near
bodies of water where it feeds. Bald
eagles feed primarily on fish, although
they may also take a variety of birds,
mammals, and turtles when fish are not
readily available. Nesting has been
known to occur in Butler County, and
it is possible that any resident or
transient individuals of this species may
feed along the Allegheny or Ohio River
corridors within the study area.
The Bald eagle species has been
observed along the Ohio River portion at
the BVPS–1 and 2 site. To date, no
known nesting sites of Bald eagles are
noted immediately adjacent to areas that
may be dredged. In addition, critical
habitat has not been identified for the
protection of these species within the
Ohio River at or near the BVPS–1 and
2 site.
The federally listed fish species,
Shortnose sturgeon (Acipenser
brevirostrum), is an endangered fish
species and has never been known to
occur in western Pennsylvania;
therefore, it is not expected to occur in
the impact area.
The federally listed mammal species,
the Indiana bat (Myotis sodalis), may be
found state-wide in suitable habitat in
Pennsylvania as part of its summer
range. Preferred winter hibernation sites
include limestone caves; abandoned
coal, limestone, and iron mines; and
abandoned tunnels (one colony is
currently using an abandoned railroad
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tunnel). As many as four winter
hibernation sites have been identified in
the state to date, including sites in
Armstrong County, Blair County, and
Somerset County. According to the 1983
USFWS recovery plan for the Indiana
bat, there is no critical habitat for the
species in Pennsylvania.
Impacts to the eleven threatened and
endangered species described above are
expected to be small due to one or more
of the following: (a) Low potential for
occurrence in areas affected by plant
and transmission line operation and
associated maintenance; (b) protective
operation and maintenance practices;
and (c) lack of observed impacts as
documented by operational monitoring.
The FWS has listed several species with
ranges that include Pennsylvania as
threatened or endangered at the Federal
level, but has not designated any areas
in the Commonwealth as critical habitat
for listed species (50 CFR 17.95, 50 CFR
17.96). There is no federally listed
threatened and endangered species
critical habitat which has been
identified on or near the BVPS–1 and 2
site. Therefore, the species described
above would not be significantly
affected as a result of the EPU. The NRC
staff therefore concludes that there is no
effect on threatened and endangered
species for the proposed action.
Social and Economic Impacts
Potential social and economic impacts
due to the proposed action include
changes in tax revenue for Beaver
County and changes in the size of the
workforce at BVPS–1 and 2.
FENOC is now being assessed annual
property taxes by Beaver County,
Shippingport Borough, and the South
Side Area School District. Revenues
received by Beaver County support such
programs as engineering, recreation,
public safety, public works, and
emergency services. Revenues received
by the Shippingport Borough support
such programs as waste management,
public works, and public safety.
FENOC employs a permanent
workforce of approximately 1,000
employees and approximately 500
contractors at the BVPS–1 and 2 site. No
additional permanent employees would
be expected as a result of the EPU.
Approximately 55 percent of the
permanent workforce live in Beaver
County and 27 percent live in Allegheny
County. The remaining employees live
in various other locations. FENOC
refuels BVPS–1 and 2 at intervals of
approximately 18 months. During
refueling outages, site employment
increases by as many as 800 workers for
temporary (30 to 40 days) duty, and
FENOC expects that similar increases
would occur for refueling outages as a
result of the EPU. The proposed EPU
would not significantly impact the size
of the BVPS–1 and 2 labor force and
would not have a material effect upon
the labor force required for future
outages.
FENOC’s annual property tax
payments for BVPS–1 and 2 averaged
less than 1 percent of Beaver County’s
26991
operating budgets for 2000 to 2002.
Given the area’s declining populations
and sluggish growth pattern, EPU taxdriven land-use changes would generate
very little new development and
minimal changes in the area’s land-use
patterns. No tax-driven land-use
impacts are anticipated because no
additional full-time employees would
be expected as a result of the EPU. The
amount of future property tax payments
for BVPS–1 and 2 post-EPU and the
proportion of those payments to the
operating budgets of Beaver County,
South Side Area School District, and
Shippingport Borough are dependent on
future market value of the units, future
valuations of other properties in these
jurisdictions, and other factors.
The NRC staff has reviewed the
information provided by the licensee
regarding socioeconomic impacts. No
significant socioeconomic impacts are
anticipated because no permanent
additional employees are expected as a
result of the EPU.
Summary
The proposed EPU would not result
in a significant change in nonradiological impacts in the areas of land
use, water use, waste discharges, CT
operation, terrestrial and aquatic biota,
transmission facility operation, or social
and economic factors. No other nonradiological impacts were identified or
would be expected. Table 2 summarizes
the non-radiological environmental
impacts of the proposed EPU at BVPS–
1 and 2.
TABLE 2.—SUMMARY OF NON-RADIOLOGICAL ENVIRONMENTAL IMPACTS
Land Use ..............................
Cooling Tower ......................
Transmission Facilities .........
Water Use ............................
Discharge .............................
Aquatic Biota ........................
Terrestrial Biota ....................
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Threatened and Endangered
Species.
Social and Economic ...........
No significant land use modifications; no refurbishment activities with land impacts on historic and archaeological
resources.
No significant aesthetic impact, slightly larger plume size; no significant increase in noise; no significant fogging
or icing.
No physical modifications to transmission lines; lines meet shock safety requirements; no changes to right-ofways; small increase in electrical current would cause small increase in electromagnetic field around transmission lines.
No configuration change to intake structure; no increased rate of withdrawal; slight increase in water consumption
due to increased evaporation; no water-use conflicts. No change in ground water use.
Increase in water temperature discharged to Ohio River; will meet thermal discharge limits in current NPDES permit at EPU conditions; no additional chemical usage is planned as a result of operation at EPU conditions.
EPU will not change conclusions made in the FES.
No additional impact expected on aquatic biota.
Pennsylvania FWS found no adverse impact from EPU; no additional impact on terrestrial plant or animal species.
There are eleven federally listed species in Beaver County; EPU will have no effect on these species.
No significant change in size of BVPS–1 and 2 labor force required for plant operation or future refueling outages.
Radiological Impacts
Radioactive Waste Stream Impacts
BVPS–1 and 2 uses waste treatment
systems designed to collect, process,
and dispose of gaseous, liquid, and solid
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wastes that might contain radioactive
material in a safe and controlled manner
such that discharges are in accordance
with the requirements of Title 10 of the
Code of Federal Regulations, part 20 (10
CFR part 20), ‘‘STANDARDS FOR
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PROTECTION AGAINST RADIATION,’’
and 10 CFR Part 50, ‘‘DOMESTIC
LICENSING OF PRODUCTION AND
UTILIZATION FACILITIES,’’ Appendix
I. These radioactive waste streams are
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discussed in the FESs for BVPS–1 and
2.
The proposed EPU would not result
in changes in the operation or design of
equipment for the gaseous, liquid, or
solid waste systems.
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Gaseous Radioactive Waste and Offsite
Doses
During normal operation, the gaseous
effluent treatment systems process and
control the release to the environment of
gaseous radioactive effluents, including
small quantities of noble gases,
halogens, tritium, and particulate
material. Gaseous radioactive wastes
include airborne particulates and gases
vented from process equipment and the
building ventilation exhaust air. The
major sources of gaseous radioactive
waste are filtered using charcoal
adsorbers, held up for decay using
separate pressurized decay tanks, and
monitored prior to release to ensure that
the dose guidelines of 10 CFR Part 50,
Appendix I and the limits of 10 CFR
Part 20 are not exceeded.
Gaseous releases of Kr-85 would
increase by approximately the
percentage of power increase. Isotopes
with shorter half-lives would have
varying EPU increase percentages up to
a maximum of 18 percent. The impact
of the EPU on iodine releases would be
slightly greater than the percentage
increase in power level. The other
components of the gaseous release (i.e.,
particulates via the building ventilation
systems and water activation gases)
would not be impacted by the EPU,
according to analysis using the
methodology outlined in NUREG–0017,
‘‘Calculation of Release of Radioactive
Materials in Liquid and Gaseous
Effluents from Pressurized Water
Reactors.’’ Tritium releases in the
gaseous effluents increase in proportion
to their increased production, which is
directly related to core power. The
impact of the increased activity in the
radwaste systems is primarily in the
activity shipped offsite as solid waste.
Gaseous releases to the environment
would not increase beyond the limits of
10 CFR Part 20 and the guidelines of 10
CFR Part 50, Appendix I. Therefore, the
increase in offsite dose due to gaseous
effluent release following
implementation of the EPU would not
be significant.
Liquid Radioactive Waste and Offsite
Doses
During normal operation, the liquid
effluent treatment systems process and
control the release of liquid radioactive
effluents to the environment, such that
the doses to individuals offsite are
maintained within the limits of 10 CFR
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Part 20 and the guidelines of 10 CFR
Part 50, Appendix I. The liquid
radioactive waste systems are designed
to process the waste and then recycle it
within the plant as condensate,
reprocess it through the radioactive
waste system for further purification, or
discharge it to the environment as liquid
radioactive waste effluent in accordance
with State and Federal regulations.
To bound the estimated impact of
EPU on the annual offsite releases, the
licensee used the highest percentage
change in activity levels of isotopes in
each chemical grouping found in the
primary reactor coolant and secondary
fluids that characterize each unit. The
licensee then applied the values to the
applicable gaseous and liquid effluent
pathways. The percentage change was
applied to the doses reported in the
licensee’s radioactive effluent reports
for 1997 through 2001 (adjusted to
reflect a 100-percent capacity factor) to
calculate the offsite doses following the
EPU. The licensee concluded that
although the doses increased, they
remained below the regulatory
requirements of 10 CFR Part 20 and the
guidelines of Appendix I to 10 CFR Part
50.
The EPU would increase the liquid
effluent release concentrations by
approximately 14 percent, as this
activity is based on the long-term
reactor coolant system (RCS) and
secondary side activity and on waste
volumes. Tritium releases in liquid
effluents would increase in proportion
to their increased production, which is
directly related to core power and is
allocated between the gaseous and
liquid releases in this analysis in the
same proportion as pre-EPU releases.
However, doses from liquid releases to
the environment would not increase
beyond the limits of 10 CFR Part 20 and
the guidelines of 10 CFR Part 50,
Appendix I. Therefore, there would not
be a significant environmental impact
from the additional amount of
radioactive material generated following
implementation of the EPU.
Solid Radioactive Wastes
The solid radioactive waste system
collects, processes, packages, and
temporarily stores radioactive dry and
wet solid wastes prior to shipment
offsite and permanent disposal. The
volume of solid waste is not expected to
increase proportionally with the EPU
increment, since the EPU neither would
appreciably impact installed equipment
performance, nor would it require
drastic changes in system operation or
maintenance. Only minor, if any,
changes in waste generation volume are
expected. This would include the small
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increase in volume of condensate
polishing resins in BVPS–2. However, it
is expected that the activity inventories
for most of the solid waste would
increase proportionately to the increase
in long half-life coolant activity. While
the total long-lived activity contained in
the waste is expected to be bounded by
the percentage of the EPU, the increase
in the overall volume of waste
generation resulting from the EPU is
expected to be minor. Therefore, no
significant additional waste would be
generated due to operation at EPU
conditions. Since operation at EPU
conditions would not increase the SG
blowdown, no significant additional
solid waste resin would be generated.
Spent fuel from BVPS–1 and 2 is
transferred from the reactors and stored
in the respective spent fuel storage
pools. There is sufficient capacity in the
BVPS–1 fuel storage pool to
accommodate that unit, including full
core discharge, through the end of its
current license term. FENOC anticipates
that the capacity of the BVPS–2 spent
fuel pool would be exhausted by
approximately year 2007, although
requests for approval of increased
capacity may be undertaken. The
increased power level of the EPU would
require additional energy for each cycle.
To accommodate this extra energy, it is
expected that additional fresh feed fuel
assemblies would be needed in the core
designs. The specific number of feed
fuel assemblies (or discharge
assemblies) for each cycle will be
determined during the core design
process, and will take into account
expected energy carryover from the
previous cycle. FENOC has determined
that four additional fresh fuel
assemblies would be needed for each
refueling under EPU conditions to meet
the higher energy needs.
Additional storage capacity would be
required beyond the current license
terms if spent fuel stored in the pools
cannot be transferred to a permanent
repository. Installation of additional
onsite spent fuel storage capacity, if
elected, is an action licensed by the
NRC separately from EPU. Current
ongoing criticality analysis conducted
by the licensee may free up presently
unavailable storage in the upcoming
months. FENOC plans to request an
amendment to increase spent fuel pool
storage capacity and to seek approval for
dry cask storage at BVPS–1 and 2 by
2014. At this time, the NRC staff
concludes that there would be no
significant environmental impacts
resulting from storage of the additional
fuel assemblies.
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Direct Radiation Doses Offsite
The licensee evaluated the direct
radiation dose to the unrestricted area
and concluded that it is not a significant
exposure pathway. Since the EPU
would only slightly increase the core
inventory of radionuclides and the
amount of radioactive wastes, the NRC
staff concludes that direct radiation
dose would not be significantly affected
by the EPU and would continue to meet
the limits in 10 CFR part 20.
In addition to the dose impact to
radioactive gaseous and liquid effluents,
the licensee evaluated the dose impact
of the EPU on the direct radiation from
plant systems and components
containing radioactive material to
members of the public, as required by
40 CFR part 190.
The licensee’s evaluation concluded
that the direct radiation doses are not
expected to increase significantly over
current levels and are expected to
remain within the limit of 25 mrem
(0.25 mSv) annual whole-body dose
equivalent as specified in 40 CFR Part
190.
mstockstill on PROD1PC68 with NOTICES
Occupational Dose
Occupational exposures from in-plant
radiation primarily occur during routine
maintenance, special maintenance, and
refueling operations. An increase in
power at BVPS–1 and 2 could increase
the radiation levels in the RCS.
However, plant programs and
administrative controls such as
shielding, plant chemistry, and the
radiation protection program would
help compensate for these potential
increases.
The licensee’s assessment takes into
consideration that following EPU, the
operation and layout/arrangement of
plant radioactive systems would remain
consistent with the original design. The
EPU assessment takes into account that
normal operational dose rates and dose
to members of the public and to plant
workers must continue to meet the
requirements of 10 CFR Part 20 and
radioactive effluent release license
conditions.
The NRC staff has evaluated the
licensee’s plan regarding occupational
exposure related to the EPU. The
licensee has evaluated the impact of the
EPU on the radiation source terms in the
reactor core, irradiated fuels/objects,
RCS and downstream radioactive
systems. These source terms are
expected to increase by approximately
7.9 percent after a core power uprate
from 2689 MWt to 2900 MWt. The
radiation exposure received by plant
personnel would be expected to
increase by approximately the same
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15:42 May 08, 2006
Jkt 208001
percentage. The above increase in
radiation levels would not affect the
radiation zoning or shielding
requirements in the various areas of the
plant because the increase due to EPU
would be offset by the conservatism in
the pre-EPU ‘‘design-basis’’ source terms
used to establish the radiation zones by
BVPS–1 and 2 Technical Specifications
(TSs) that limit the RCS concentrations
to levels well below the design-basis
source terms, and by conservative
analytical techniques used to establish
shielding requirements. Regardless,
individual worker exposures would be
maintained within acceptable limits by
the site Radiation Protection Program,
which controls access to radiation areas.
In addition, procedural controls and As
Low as Reasonably Achievable
(ALARA) techniques are used to limit
doses in areas having increased
radiation levels. Therefore, the annual
average collective occupational dose
after the EPU is implemented would
still be well below the value expected
when the FESs were published.
Summary of Dose Impacts
On the basis of the NRC staff’s review
of the BVPS–1 and 2 license amendment
request, the staff concludes that the
proposed 8-percent power uprate would
not have a significant effect on
occupational dose or members of the
public from radioactive gaseous and
liquid effluent releases. The licensee has
programs and procedures in place to
ensure that radiation doses are
maintained ALARA in accordance with
the requirements of 10 CFR 20.1101,
Appendix I to 10 CFR Part 50, and 40
CFR Part 190. Therefore, the staff finds
the dose impacts from the proposed
EPU at the BVPS–1 and 2 to be
acceptable from a normal operations
perspective.
Postulated Accident Doses
As a result of implementation of the
proposed EPU, there would be an
increase in the source term used in the
evaluation of some of the postulated
accidents in the FESs. The inventory of
radionuclides in the reactor core is
dependent upon power level; therefore,
the core inventory of radionuclides
could increase by as much as 8 percent.
The concentration of radionuclides in
the reactor coolant may also increase by
as much as 8 percent; however, this
concentration is limited by the BVPS–1
and 2 TSs. Therefore, the reactor coolant
concentration of radionuclides would
not be expected to increase
significantly. This coolant concentration
is part of the source term considered in
some of the postulated accident
analyses. Some of the radioactive waste
PO 00000
Frm 00074
Fmt 4703
Sfmt 4703
26993
streams and storage systems evaluated
for postulated accidents may contain
slightly higher quantities of
radionuclides. For those postulated
accidents where the source term has
increased, the calculated potential
radiation dose to individuals at the site
boundary (the exclusion area) and in the
low population zone would be
increased over values presented in the
FESs. As a result of the proposed EPU,
plant radioactive source terms would be
anticipated to increase proportionally to
the actual power level increase.
The NRC staff has reviewed the
licensee’s analyses and performed
confirmatory calculations to verify the
acceptability of the licensee’s calculated
doses under accident conditions. The
NRC staff’s independent review of dose
calculations under postulated accident
conditions determined that dose would
be within regulatory limits. Therefore,
the NRC staff concludes that the EPU
would not significantly increase the
consequences of accidents and would
not result in a significant increase in the
radiological environmental impact of
BVPS–1 and 2 from postulated
accidents.
Fuel Cycle and Transportation Impacts
The environmental impacts of the fuel
cycle and transportation of fuels and
wastes are described in Tables S–3 and
S–4 of 10 CFR 51.51 and 10 CFR 51.52,
respectively. An additional NRC generic
EA (53 FR 30355, dated August 11,
1988, as corrected by 53 FR 32322,
dated August 24, 1988) evaluated the
applicability of Tables S–3 and S–4 to
higher burnup cycles and concluded
that there is no significant change in
environmental impact from the
parameters evaluated in Tables S–3 and
S–4 for fuel cycles with uranium
enrichments up to 5 weight percent
Uranium-235 and burnups less than
60,000 megawatt (thermal) days per
metric ton (MWd/MTU). Both BVPS–1
and 2 would maintain their nominal 18month refueling cycles with the EPU.
Therefore, the environmental impacts of
the EPU would remain bounded by the
impacts in Tables S–3 and S–4 and
would not be significant.
Summary
The proposed EPU would not
significantly increase the potential
radiological consequences of designbasis accidents, would not result in a
significant increase in occupational or
public radiation exposure, and would
not result in significant additional fuel
cycle environmental impacts.
Accordingly, the Commission concludes
that there are no significant radiological
environmental impacts associated with
E:\FR\FM\09MYN1.SGM
09MYN1
26994
Federal Register / Vol. 71, No. 89 / Tuesday, May 9, 2006 / Notices
the proposed action. Table 3
summarizes the radiological
environmental impacts of the proposed
EPU at BVPS–1 and 2.
Alternatives to Proposed Action
As an alternative to the proposed
action, the NRC staff considered denial
of the proposed EPU (i.e., the ‘‘noaction’’ alternative). Denial of the
application would result in no change
in the current environmental impacts.
However, if the EPU were not approved,
other agencies and electric power
organizations may be required to pursue
other means of providing electric
generation capacity to offset future
demand such as fossil fuel power
generation. Construction and operation
of a fossil-fueled plant would create
impacts in air quality, land use, and
waste management significantly greater
than those identified for the EPU at
BVPS–1 and 2.
Implementation of the proposed EPU
would have less impact on the
environment than the construction and
operation of a new fossil-fueled
generating facility or the operation of
fossil-fueled facilities outside the
service area.
Alternative Use of Resources
This action does not involve the use
of any resources not previously
considered in the FESs.
TABLE 3.—SUMMARY OF RADIOLOGICAL ENVIRONMENTAL IMPACTS
Gaseous Effluents and
Doses.
Liquid Effluents and Doses ..
Solid Radioactive Waste ......
In-plant Dose ........................
Direct Radiation Dose ..........
Postulated Accidents ............
Fuel Cycle and Transportation.
Slight increase in dose due to gaseous effluents; doses to individuals offsite will remain within NRC limits.
14-percent increase in liquid effluent release concentrations; 14-percent increase for doses due to liquid effluent
pathway are still well within the 10 CFR Part 50, Appendix I guidelines, so no significant increase in dose to
public is expected.
Volume of solid waste is not expected to increase; within FES estimate; increase in amount of spent fuel assemblies; future application for dry cask storage.
Occupational dose could increase by 7.9 percent; will remain within FES estimate.
Dose expected to increase the same percentage as the EPU for dose rates offsite; expected annual dose continues to meet NRC/EPA limits.
Licensee concluded doses are within NRC limits.
Impacts in Tables S–3 and S–4 in 10 CFR Part 51, ‘‘ENVIRONMENTAL PROTECTION REGULATIONS FOR
DOMESTIC LICENSING AND RELATED REGULATORY FUNCTIONS’’ are bounding.
Agencies and Persons Consulted
In accordance with its stated policy,
on May 3, 2006, the NRC staff consulted
with the Pennsylvania State official,
Lawrence Ryan, of the Pennsylvania
Department of Environmental
Protection, regarding the environmental
impact of the proposed action. The State
official had no comments.
mstockstill on PROD1PC68 with NOTICES
Finding of No Significant Impact
On the basis of the environmental
assessment, the Commission concludes
that the proposed action will not have
a significant effect on the quality of the
human environment. Accordingly, the
Commission has determined not to
prepare an environmental impact
statement for the proposed action.
For further details with respect to the
proposed action, see the licensee’s
application dated October 4, 2004, as
supplemented by letter dated July 28,
2005. Documents may be examined,
and/or copied for a fee, at the NRC’s
Public Document Room (PDR), located
at One White Flint North, Public File
Area O1F21, 11555 Rockville Pike (first
floor), Rockville, Maryland. Publicly
available records will be accessible
electronically from the Agencywide
Documents Access and Management
System (ADAMS) Public Electronic
Reading Room on the NRC Web site,
https://www.nrc.gov/reading-rm/
adams.html. Persons who do not have
access to ADAMS or who encounter
problems in accessing the documents
located in ADAMS should contact the
VerDate Aug<31>2005
15:42 May 08, 2006
Jkt 208001
NRC PDR Reference staff at 1–800–397–
4209, or 301–415–4737, or send an email to pdr@nrc.gov.
DATES: The comment period expires
June 8, 2006. Comments received after
this date will be considered if it is
practical to do so, but the Commission
is only able to assure consideration of
comments received on or before June 8,
2006.
ADDRESSES: Submit written comments
to Chief, Rules and Directives Branch,
Division of Administrative Services,
Office of Administration, U.S. Nuclear
Regulatory Commission, Mail Stop T–
6D59, Washington, DC 20555–0001.
Written comments may also be
delivered to 11545 Rockville Pike, Room
T–6D59, Rockville, Maryland 20852
from 7:30 a.m. to 4:15 p.m. on Federal
workdays. Copies of written comments
received will be electronically available
at the NRC’s Public Electronic Reading
Room (PERR) link, https://www.nrc.gov/
reading-rm/adams.html, on the NRC
Web site or at the NRC’s Public
Document Room, located at One White
Flint North, Public File Area O1F21,
11555 Rockville Pike (first floor),
Rockville, Maryland 20852. Persons
who do not have access to ADAMS or
who encounter problems in accessing
the documents located in ADAMS
should contact the NRC PDR Reference
staff at 1–800–397–4209, or 301–415–
4737, or by e-mail to pdr@nrc.gov.
SUPPLEMENTARY INFORMATION: The NRC
is considering issuance of amendments
to Facility Operating License Nos. DPR–
PO 00000
Frm 00075
Fmt 4703
Sfmt 4703
66 and NPF–73 issued to FENOC for
operation of BVPS–1 and 2 located in
Beaver County, Pennsylvania.
FOR FURTHER INFORMATION CONTACT:
Timothy G. Colburn, Office of Nuclear
Reactor Regulation, Mail Stop O8–C4,
U.S. Nuclear Regulatory Commission,
Washington, DC 20555–0001, by
telephone at 301–415–1402, or by e-mail
at tgc@nrc.gov.
Dated at Rockville, Maryland, this 3rd day
of May 2006.
For the Nuclear Regulatory Commission.
Timothy G. Colburn,
Senior Project Manager, Plant Licensing
Branch I–1, Division of Operating Reactor
Licensing, Office of Nuclear Reactor
Regulation.
[FR Doc. E6–6999 Filed 5–8–06; 8:45 am]
BILLING CODE 7590–01–P
NUCLEAR REGULATORY
COMMISSION
Advisory Committee on the Medical
Uses of Isotopes: Meeting Notice
U.S. Nuclear Regulatory
Commission.
ACTION: Updated notice of meeting.
AGENCY:
SUMMARY: The U.S. Nuclear Regulatory
Commission will convene a
teleconference meeting of the Advisory
Committee on the Medical Uses of
Isotopes (ACMUI) on May 23, 2006. The
topic of the discussions will be: (1)
Amendment to the ACMUI’s Bylaws; (2)
Potential Changes to 10 CFR part 35.
E:\FR\FM\09MYN1.SGM
09MYN1
Agencies
[Federal Register Volume 71, Number 89 (Tuesday, May 9, 2006)]
[Notices]
[Pages 26985-26994]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: E6-6999]
-----------------------------------------------------------------------
NUCLEAR REGULATORY COMMISSION
[Docket Nos. 50-334 and 50-412]
FirstEnergy Nuclear Operating Company; FirstEnergy Nuclear
Generation Corp.; Ohio Edison Company; The Toledo Edison Company;
Beaver Valley Power Station, Unit Nos. 1 and 2; Draft Environmental
Assessment and Finding of No Significant Impact Related to the Proposed
License Amendment To Increase the Maximum Reactor Power Level
AGENCY: U.S. Nuclear Regulatory Commission (NRC).
ACTION: Notice of opportunity for public comment.
-----------------------------------------------------------------------
SUMMARY: The NRC has prepared a Draft Environmental Assessment as part
of its evaluation of a request by FirstEnergy Nuclear Operating Company
(FENOC), et al., for a license amendment to increase the maximum rated
thermal power at Beaver Valley Power Station, Unit Nos. 1 and 2 (BVPS-1
and 2) from 2689 megawatts-thermal (MWt) to 2900 MWt. This represents a
power increase of approximately 8 percent for BVPS-1 and 2. As stated
in the NRC staff's position paper dated February 8, 1996, on the
Boiling-Water Reactor Extended Power Uprate (EPU) Program, the NRC
staff will prepare an environmental impact statement if it believes a
power uprate will have a significant impact on the human environment.
The NRC staff did not identify any significant impact from the
information provided in the licensee's EPU application for BVPS-1 and 2
or from the NRC staff's independent review; therefore, the NRC staff is
documenting its environmental review in an environmental assessment
(EA). Also, in accordance with the position paper, this Draft
Environmental Assessment and Finding of No Significant Impact is being
published in the Federal Register with a 30-day public comment period.
Environmental Assessment
Plant Site and Environs
The EPU would apply to the facilities at the BVPS-1 and 2 site,
located on the south bank of the Ohio River in
[[Page 26986]]
Shippingport Borough, Beaver County, Pennsylvania. The station site
consists of 449 acres and it lies approximately 25 miles northwest of
Pittsburgh, Pennsylvania, one mile southeast of Midland, Pennsylvania,
5 miles east of Liverpool, Ohio, 8 miles east of Newell, West Virginia,
and 6 miles southwest of Beaver, Pennsylvania.
BVPS-1 and 2 are located within the Pittsburgh Low Plateau Section
of the Appalachian Plateau Physiographic Province, which is
characterized by a smooth, upland surface cut by numerous narrow,
relatively shallow river valleys. The site region encompasses portions
of Pennsylvania, Ohio, and West Virginia, and the site elevation ranges
from 660 to 1,700 feet above sea level.
The major river systems in the region consist of the Monongahela,
Allegheny, and Ohio Rivers, and their tributaries. The Ohio River is
formed by the juncture of the Monongahela and Allegheny Rivers at
Pittsburgh, and extends 981 river miles to Cairo, Illinois, where it
joins the Mississippi River. The Ohio River and lower portions of the
Allegheny and Monongahela Rivers are maintained and controlled by a
series of locks and dams operated by the U.S. Army Corps of Engineers.
BVPS-1 and 2 consist of two light-water cooled, pressurized-water
reactors (PWRs) with a current authorized maximum reactor core power
level output of 2689 MWt for each unit. The two units employ a closed-
loop cooling system that includes a natural draft cooling tower (CT)
(one per unit) to dissipate waste heat to the atmosphere. The BVPS-1
and BVPS-2 circulating water systems (CWSs) are non-safety related and
provide cooling water for the main condensers of the turbine-generator
units. The closed-loop systems consist of CT pumps, pumphouses, CWS
piping, main condenser vacuum priming systems, mechanical tube cleaning
system (BVPS-2 only), natural draft, hyperbolic CTs for removal of
waste heat from the main condensers, and associated hydraulic and
electrical equipment.
Identification of the Proposed Action
By letter dated October 4, 2004, FENOC proposed an amendment to the
operating licenses for BVPS-1 and 2 to increase the maximum rated
thermal power level by approximately 8 percent, from 2689 MWt to 2900
MWt. The change is considered an EPU because it would raise the reactor
core power level more than 7 percent above the original licensed
maximum power level. This proposed action would allow the heat output
of the reactor to increase, which would increase the flow of steam to
the turbine. This would allow the turbine-generator to increase the
production of power and would increase the amount of waste heat
delivered to the condenser, resulting in an increase in the circulating
water condenser discharge temperature, evaporation flow rates, and
blowdown concentrations. Moreover, the temperature of water discharged
from the service water systems (SWSs) to the Ohio River would increase
slightly due to the increased heat load, but flow rates would remain
unchanged.
In April 2001, the NRC approved a FENOC request to increase the
licensing basis core power level of BVPS-1 and 2 by 1.4 percent; no
other power uprates have been requested or granted for this site.
The Need for the Proposed Action
The purpose and need for the proposed action (EPU) is to increase
the maximum thermal power level of BVPS-1 and 2, thereby increasing the
electric power generation. The increase in electric power generation
would give FENOC the capability to provide lower cost power to its
customers than can be obtained otherwise in the current and anticipated
energy market.
Environmental Impacts of the Proposed Action
At the time of issuance of the operating license for BVPS-1 and 2,
the NRC staff noted that any activity authorized by the license would
be encompassed by the overall action evaluated in the Final
Environmental Statements (FESs) for the operation of BVPS-1 and 2,
which were issued in July 1973 for BVPS-1 and September 1985 for BVPS-
2. This EA summarizes the radiological and non-radiological impacts in
the environment that may result from the proposed action.
Non-Radiological Impacts
Land Use Impacts
The potential impacts associated with land use for the proposed
action include impacts from construction and plant modifications. FENOC
or its subsidiary companies own all land within the BVPS-1 and 2
exclusion area except the Ohio River proper; onsite property owned by
Duquesne Light (i.e., the switchyard tract, which is jointly owned by
Duquesne Light and FENOC); the eastern portion of Phillis Island, owned
by the U.S. Government and administered by the U.S. Fish and Wildlife
Service (FWS); and 7.4 acres of the Freeport Development Company (now
Laurel Ventures) tract, located along the southern BVPS-1 and 2 site
boundary. However, appropriate controls are in place to restrict use of
these lands. In case of an emergency that threatens persons or the
environment, FENOC has the authority to enter the switchyard (after
notifying Duquesne Light) to take action to prevent damage, injury, or
loss. Limited hunting is permitted on Phillis Island, but no public
assembly is allowed there. Similarly, the Freeport Development Company
property restricts use of this land by current and future purchasers or
leasers.
The Beaver County Planning Commission estimates that forest land
accounts for 49.5 percent (140,840 acres) of all land in Beaver County,
while agricultural lands account for 26.2 percent (73,892 acres).
Forested lands are prevalent in western Beaver County. Residential
lands account for 15.5 percent (44,050 acres), while industrial,
commercial, and other non-residential urban land uses account for only
4.1 percent of the County's land area. Included in these industrial
lands are brownfield sites of former steel manufacturing operations,
including sites along the Ohio River.
Several public lands in the vicinity of the BVPS-1 and 2 site are
dedicated to wildlife management and recreation. These public lands
include a portion of the Ohio River Islands National Wildlife Refuge,
Raccoon Creek State Park, Beaver Creek, State Forest, Brady Run County
Park, and several areas of the Pennsylvania Game Lands. Shippingport
Community Park, a 7.5-acre public recreation facility, is located along
State Route 3016 in Shippingport. The Shippingport Boat Ramp is located
approximately 800 feet upstream from the BVPS-1 and 2 site eastern
boundary on the Ohio River.
Phillis Island and Georgetown Island are located in the BVPS-1 and
2 site vicinity and have been designated as part of a National Wildlife
Refuge. Phillis Island (approximately 39 acres) is situated
approximately 400 feet offshore of the downstream portion of the BVPS-1
and 2 site and lies partially within the BVPS-1 and 2 exclusion area.
The 16.2-acre Georgetown Island is located approximately three river
miles downstream from the BVPS-1 and 2 site.
The Municipality of Shippingport Borough has zoned the BVPS-1 and 2
site as industrial except for the tract on which the Training and
Simulator Buildings are located, which is zoned business. Some land
adjacent to the site, south of State Route 168, is zoned residential.
However, this area is small,
[[Page 26987]]
consists of steep, wooded slopes, and has limited potential for growth.
The U.S. Coast Guard has established a Restricted Use Zone encompassing
all waters extending 200 feet from FENOC's BVPS-1 and 2 property line
along the southeastern shoreline of the Ohio River. Entry of persons or
vessels into this Restricted Use Zone is prohibited unless authorized
by the Coast Guard Captain of the Port of Pittsburgh or his designated
representative.
The proposed EPU would not require any land disturbance to the
BVPS-1 and 2 site. The EPU would not significantly affect material
storage, including chemicals and fuels stored on site. The most
significant modifications that would take place to support the EPU
include replacement of the high-pressure turbine rotor, changes to the
transformer cooler, replacement of the BVPS-1 steam generators (SGs),
and replacement of the CT fill. None of these modifications would
result in changes in land use.
FENOC does not plan to conduct major refurbishment or significant
land-disturbing activities to implement the EPU. FENOC has stated that
there would be no refurbishment-related impacts on historic and
archaeological resources associated with the EPU. The proposed EPU
would not modify the current land use activities at the site beyond
that described in the July 1973 or the September 1985 FESs related to
the operation of BVPS-1 and 2. Therefore, the staff concludes that the
land use impacts of the proposed EPU are bounded by the impacts
previously evaluated in the FESs.
Cooling Tower Impacts
The potential impacts associated with increased CT operation for
the proposed action include aesthetic impacts due to the increased
moisture content of the air. Other impacts include fogging, icing,
thermal, suspended solids, and noise. BVPS-1 and 2 employ a closed-loop
cooling system including a natural draft CT (one per unit) to dissipate
waste heat to the atmosphere. The two CTs are natural draft,
hyperbolic, reinforced concrete shells, approximately 500 feet high.
There would be roughly a 10-percent increase in the evaporation
rates from the CTs as a result of the EPU. The wide dispersion and
elevated CT exhaust plumes of the natural draft CTs at BVPS-1 and 2
would continue to provide an advantage in mitigating any fogging and
icing potentials. The fogging potential of the CT plumes would be
slightly diminished compared to the existing plume trajectories. The
EPU higher heat load would increase the CT exit velocity and
temperature. The plumes would be more buoyant and have a slightly
higher upward velocity. This reduces the potential for fogging. The
icing potential of the plumes during the EPU operation may increase
slightly, with a maximum of 8 percent more icing than indicated by the
original plume studies in the Updated Final Safety Analysis Reports
(UFSARs). This results in an additional thickness of 0.002 inches
compared to the original estimates. However, the original icing
estimates were based on very high drift rates and depositions that,
according to FENOC, have not occurred in the past 28 years. Therefore,
no significant fogging or icing would occur as a result of the EPU.
The increased plant load due to the EPU would increase the CT
blowdown discharge temperature to the Ohio River by approximately 3
degrees Fahrenheit ([deg]F). The CT evaporation rate would increase by
up to an additional 10 percent, which would reduce CT blowdown flow.
Concentrate solutions and suspensions in the discharged water are
expected to increase, and yield up to 10 percent more solids deposition
in the CTs. The National Pollutant Discharge Elimination System (NPDES)
permit specifies that the discharge may not change the temperature of
the receiving stream by more than 2 [deg]F in any one hour. The data
evaluated indicate that the post-EPU discharges would not challenge
this NPDES permit parameter. Based on Environmental Protection Agency
(EPA) standards, the water temperature at representative locations in
the Ohio River shall not exceed the monthly maximum limits by more than
3 [deg]F. The month of January has the most limiting EPA maximum
temperature of 50 [deg]F. In addition, the data evaluated indicate that
the evaporation related to operation at EPU conditions would not cause
the mass or concentration parameters of the CT blowdown to exceed the
BVPS-1 and 2 NPDES permit parameter limits. Furthermore, the additional
10-percent increase in suspended solids would not cause significant
impacts to the Ohio River, and sedimentation from the CTs would be
removed during refueling outages.
The aesthetic impacts associated with increased CT operation would
not change significantly from the aesthetic impacts associated with the
current CT operation. No significant increase in noise is anticipated
for CT operation because there would be no change in flowrate and no
new CT construction. The fogging potential of the CT plumes of the
natural draft CTs at BVPS-1 and 2 is slightly diminished compared to
the existing plume trajectories due to higher heat load, which would
increase the CT exit velocity and temperature, making the elevation of
the plumes even further from the ground. Therefore, the NRC staff
concludes that there are no significant impacts associated with
increased CT operation for the proposed action.
Transmission Facility Impacts
The potential impacts associated with transmission facilities for
the proposed action include changes in transmission line corridor
right-of-way maintenance and electric shock hazards due to increased
current. The proposed EPU would not require any physical modifications
to the transmission lines. FENOC implements a specific program for
ensuring continued safe and reliable operation of these transmission
lines, continued compatibility of land uses on the transmission
corridors, and environmentally sound maintenance of the corridors.
FENOC conducts transmission line corridor right-of-way maintenance
through helicopter inspections of transmission lines to determine the
physical condition of towers, conductors and other equipment; status of
vegetation communities; land use changes; and any encroachments on the
line. On-foot inspections are conducted to manage vegetation growth,
and crews are sent to problem areas to make onsite inspections and
repairs, as needed. Routine vegetation maintenance of the rural
transmission line corridors is managed to promote a diversity of
shrubs, grasses, and other groundcover that provides wildlife food and
cover. Maintenance efforts prescribed for transmission corridors
include the removal, pruning, and chemical control of woody vegetation
as necessary to ensure adequate clearance for safe and reliable
operation of the line. Management of the corridor edge and beyond
involves identification and removal of hazardous trees. These
maintenance procedures are not expected to change as a result of the
proposed action.
There would be an increase in current passing through the
transmission lines associated with the increased power level of the
proposed EPU. The increased electrical current passing through the
transmission lines would cause an increase in electromagnetic field
strength. The National Electric Safety Code (NESC) provides design
criteria that limit hazards from steady-state currents induced by
transmission line electromagnetic fields. The NESC limits the short-
circuit current to ground to less than 5 miliamperes (mA). FENOC
[[Page 26988]]
conducted an independent analysis of each of the transmission lines to
determine conformance with the current NESC standard. As a result of
the EPU, FENOC does not expect changes in operating voltage or other
parameters for these lines that would affect conformance status with
respect to the NESC 5-mA standard. Currently, all circuits at BVPS-1
and 2 meet NESC requirements for limiting induced shock.
The impacts associated with transmission facilities for the
proposed action would not change significantly from the impacts
associated with current plant operation. No new transmission lines are
expected to be constructed as a result of the EPU. There would be no
physical modifications to the transmission lines, transmission line
rights-of-way maintenance practices would not change, there would be no
changes to transmission line rights-of-way or vertical clearances, and
electric current passing through the transmission lines would increase
only slightly. Therefore, the NRC staff concludes that there are no
significant impacts associated with transmission facilities for the
proposed action.
Water Use Impacts
Water used for BVPS-1 and 2 site operations consists of raw water
from the Ohio River and potable water from the Midland Borough
Municipal Water Authority (MWA). Water withdrawn from the Ohio River is
used primarily for cooling, initially as once-through non-contact
cooling water for primary and secondary heat exchangers in BVPS-1 and
2. Most of this water is then used as makeup to the CWSs, which provide
cooling for the main condensers, to replace water lost from evaporation
and drift from the CTs, and to maintain dissolved solids at design
equilibrium. A small fraction of water withdrawn from the river is used
as feedwater for production of demineralized water (for use in nuclear
steam supply system primary and secondary cooling loops) and other
purposes. Cooling water not consumed by evaporation and drift losses
and other treated wastewater streams is ultimately discharged back to
the Ohio River in accordance with the NPDES permit for the BVPS-1 and 2
site issued by the Pennsylvania Department of Environmental Protection.
Municipal water from MWA supplies the station domestic water
distribution system. Sanitary wastewater is treated in the BVPS-1 and 2
sewage treatment plants. Though the BVPS-1 and 2 site originally drew
water from onsite wells and the Ohio River as supply sources for
domestic water, no groundwater is currently used at BVPS-1 and 2, and
no future use of groundwater is anticipated.
Potential water use impacts from the proposed action include
hydrological alterations to the Ohio River and changes to plant water
supply. Water from the BVPS-1 SWS is discharged to the BVPS-1 CWS, and
water from the BVPS-2 SWS (excluding up to 8,400 gallons per minute
(gpm) discharged to the emergency outfall structure) is discharged to
the BVPS-2 CWS. This makeup water replaces consumptive losses due to
evaporation and drift from the CTs. The excess makeup overflows at the
CT basin and is directed back to the river as CT blowdown. CT blowdown
flow also keeps dissolved solids in the CWSs within design limits.
Makeup flows to the CWSs would be essentially unchanged from pre-
EPU conditions. Since the consumptive loss would increase (due to
increased evaporation), less water would overflow the basin as CT
blowdown when operating at the EPU conditions, leading to an increase
in the maximum dissolved solids concentration of the blowdown by
approximately 7 percent, with an increase in blowdown temperature of
less than 3 [deg]F at design conditions noted above, and a decrease in
blowdown flow amounts approximately equivalent to the increase in
evaporation rates. With respect to these changes, FENOC determined that
the combined maximum monthly average blowdown flows for the BVPS-1 and
2 units operating at the EPU maximum power levels of 2,900 MWt would be
less than 42,500 gpm. BVPS-1 and 2 operational monitoring data indicate
that this is likely a conservative upper-bound estimate; for a recent
2-year period prior to power uprate (2001-2002), actual maximum monthly
average blowdown discharge flow from BVPS-1 and 2 was approximately
38,000 gpm.
Predicted monthly average temperature differences between the
blowdown and the ambient river water at current authorized maximum
power levels range from 2.4 [deg]F in August to 28.6 [deg]F in January.
During June through August, when ambient river temperatures under this
prediction are highest (75-80 [deg]F), this temperature differential
ranges as high as 7.2 [deg]F. BVPS-1 and 2 operational monitoring
indicates that this range is appropriate for periods of high ambient
water temperature. For example, average temperature differential
between BVPS-1 and 2 blowdown and the ambient river was approximately
5.5 [deg]F for August 2002, a month in which both BVPS-1 and 2 units
were operated at or near full power and ambient temperature of the Ohio
River averaged 82 [deg]F, at or near its highest of the year.
Considering the expected maximum increase of less than 3 [deg]F in
blowdown temperature at design conditions noted above, FENOC therefore
expects that this monthly average temperature differential during
summer months when ambient river temperatures are highest (between June
and August) would range from approximately 5 [deg]F to 10 [deg]F when
both units are operating at maximum power levels of 2,900 MWt. As noted
above, temperature effects would not be expected to challenge NPDES
permit parameters or EPA standards for the Ohio River.
The annual average flow of the Ohio River at the BVPS-1 and 2 site
is 39,503 cubic feet per second (cfs; or 1.25 x 10 12 cubic
feet per year), which meets NRC's annual flow criterion for
classification as a small river. The results of FENOC's analysis
indicate that the lowest average flow in the Ohio River at the BVPS
site is approximately 5,300 cfs, which occurs once in 10 years for 7-
day duration. Based on estimates from the U.S. Army Corps of Engineers,
the minimum expected flow under conditions corresponding to the lowest
flow of record, which occurred in 1930, is approximately 4,000 cfs.
Consumptive water losses resulting from BVPS-1 and 2 operation comprise
a very small fraction of flow in the Ohio River, even under low flow
conditions. FENOC estimates that the maximum consumptive loss that
would occur if both BVPS-1 and 2 were operated at their maximum uprated
power level (2,900 MWt per unit) would be approximately 59 cfs or 1.1
percent and 1.5 percent of the once-in-10-year low flow rate and the
lowest flow of record of the Ohio River, respectively.
The EPU would not involve any configuration change to the intake
structure. The pump capacity would not change; therefore, there would
not be an increase in the rate of withdrawal of water from the Ohio
River. There would be a slight increase in the amount of Ohio River
water consumed as a result of the EPU under all cooling modes of
operation due to increased evaporative losses. However, the increased
evaporative loss would be insignificant relative to the flow in the
Ohio River, even under low flow conditions. Therefore, the NRC staff
concludes that there would be no significant impact to the hydrological
pattern of the Ohio River, and there would be no significant impact to
plant water supply due to the proposed action.
[[Page 26989]]
Discharge Impacts
Once cooling water from the BVPS-1 plant river and raw water system
has served its plant components, it is discharged to the BVPS-1 CWS to
make up operational water losses from that system. Similarly, once
cooling water from the BVPS-2 SWS has served its plant components, most
of it is discharged to the BVPS-2 CWS downstream from the main
condenser to replace operational losses from that system. As much as
8,400 gpm (19 cfs) originating from the BVPS-2 primary (reactor plant)
heat exchangers and components is discharged to the Ohio River via the
emergency outfall structure to reduce silt accumulation in that system.
Under normal plant operations, the temperature of this discharge to the
emergency outfall structure is approximately 12 [deg]F above ambient
river temperature. FENOC calculations indicate that operation at the
EPU power level of 2,900 MWt would increase this temperature by less
than 1 [deg]F.
Makeup water is supplied to the BVPS-1 closed-loop CWS by
discharging the plant river and raw water (service water for BVPS-2)
into the circulating water condenser discharge lines. In these systems,
water heated by passage through the main condensers is circulated
through the CTs, where waste heat is removed primarily by evaporation.
The cooled water, which accumulates in a basin beneath each CT, is
recirculated back through the main condensers. CWS system flow would
remain essentially unchanged following the EPU. The increased levels of
rejected heat resulting from an increase in turbine exhaust flow would
increase the CWS condenser outlet temperature by less than 3 [deg]F at
bounding design condition.
No additional chemical usage is planned as a result of operation at
EPU conditions. No additional pumps to increase water usage would be
added. Therefore, total chemical mass and concentration in the service
and river water systems would not be changed, and the chemical mass in
the CWSs would not be changed. BVPS-1 and 2 site operations have had no
known impact on public health from thermophilic microbial pathogens.
Risk to human health is low due to poor conditions for supporting
populations of such organisms in the Ohio River, including areas
affected by the thermal discharge, and low potential for exposure of
the public in the thermally affected zone.
The impacts of continued dredging generally were determined to be
minor for other resources, including aquatic macroinvertebrates, fish,
aquatic vegetation, wetlands, and terrestrial biota (e.g., riparian
zone communities). In the Commonwealth of Pennsylvania, these dredging
activities require dredging permits issued by the U.S. Army Corps of
Engineers and Water Obstruction and Encroachment Permits and Sand and
Gravel License Agreements issued by the Pennsylvania Department of
Environmental Protection, which act to control these activities to
ensure that adverse environmental impacts are minimized. At BVPS-1 and
2, most of the cooling water is recirculated and kept at a relatively
high temperature. The once-through cooling water discharged at the
emergency outfall structure and the CT blowdown are routinely treated
with biocides, including calcium hypochlorite. Some residual chlorine,
within limits prescribed in the NPDES permit, may be discharged. These
biocide applications significantly reduce the likelihood that microbial
pathogens would be discharged into the area of concern or pose
occupational health risks. Limited access by members of the public to
waters and sediment in the immediate cooling water discharge areas
further lowers health risks. Access to the BVPS-1 and 2 site by members
of the public is subject to control, and shore-based recreation (e.g.,
fishing) on the property by the public is not permitted. In addition,
the U.S. Coast Guard has established a Restricted Use Zone encompassing
all waters extending 200 feet from FENOC's BVPS property line along the
southeastern shoreline of the Ohio River. Entry of persons or vessels
into this Restricted Use Zone is prohibited unless authorized by the
Coast Guard Captain of the Port of Pittsburgh or his designated
representative.
FENOC is not aware of any public health concerns or incidents
related to the BVPS-1 and 2 site cooling water discharge. In response
to FENOC's general request to agencies for information as part of its
new and significant information review for the EPU, the Pennsylvania
Department of Health indicated that it was not aware of any significant
health issues that might result from the EPU. Therefore, the NRC staff
concludes that the environmental impacts of the proposed action
associated with BVPS-1 and 2 discharge would not be significant.
Impacts on Aquatic Biota
The potential impacts to aquatic biota from the proposed action
include impingement, entrainment, thermal discharge effects, and
impacts due to transmission line right-of-way maintenance. BVPS-1 and 2
has intake and discharge structures on the Ohio River. The aquatic
species evaluated in this EA are those which occur in the vicinity of
the intake and discharge structures.
Closed-cycle cooling reduces potential impacts from impingement,
entrainment, and thermal discharge. Under normal operating conditions,
both BVPS-1 and 2 units are not shut down simultaneously, reducing
potential impacts from cold shock. Considered together with the small
quantity of river water the BVPS-1 and 2 closed-loop cooling system
requires, the potential for fish entrainment and impingement is greatly
reduced by the design and operation of the intake structure.
Population increases of some fish species have apparently occurred
since BVPS-1 and 2 initiated operation. Annual monitoring of the fish
community at BVPS-1 and 2 indicates the presence of special-status fish
species at both control and non-control stations. Monitoring conducted
at BVPS-1 and 2 from 1976 through 1995 indicated that impacts from
entrainment of fish eggs and larvae were not significant, and that
impingement losses were small and had little impact on fish
populations. Review of BVPS-1 and 2 annual monitoring reports and the
BVPS-2 Operating License Stage Environmental Review (ER) indicates that
none of these special status species were specifically identified in
egg and larvae samples collected during entrainment monitoring. The
impacts of impingement of fish and shellfish are negligible, and would
not be expected to increase as a result of the proposed action. The
BVPS-1 and 2 NPDES permit specifies that the discharge may not change
the temperature of the receiving stream by more than 2 [deg]F in any
one hour. The data evaluated indicate that the post-EPU discharges
would not challenge this NPDES permit parameter.
The EPU would not increase the amount of water withdrawn from the
river, and the increased discharge temperature would not compromise the
NPDES permit parameters, and therefore, would not result in significant
environmental impacts. As discussed in the transmission facility
impacts section of this EA, there are no changes in the transmission
line right-of-way maintenance practices associated with the proposed
action. Therefore, the NRC staff concludes that there are no
significant adverse impacts to aquatic biota for the proposed action.
[[Page 26990]]
Impacts on Terrestrial Biota
The potential impacts to terrestrial biota from the proposed action
include impacts due to transmission line right-of-way maintenance. As
discussed in the transmission facility impacts section of this EA,
transmission line right-of-way maintenance practices would not change
for the proposed action. FENOC does not plan to conduct major
refurbishment or significant land-disturbing activities to implement
the EPU. Therefore, the NRC staff concludes that there are no
significant impacts to terrestrial biota associated with transmission
line right-of-way maintenance for the proposed action.
Impacts on Threatened and Endangered Species
Potential impacts to threatened and endangered species from the
proposed action include the impacts assessed in the aquatic and
terrestrial biota sections of this EA. These impacts include
impingement, entrainment, thermal discharge effects, and impacts due to
transmission line right-of-way maintenance for aquatic species, and
impacts due to transmission line right-of-way maintenance or
construction refurbishment activities for terrestrial species.
There are eleven species listed as threatened or endangered under
the Federal Endangered Species Act within Beaver County, Pennsylvania.
These include the following:
Table 1.--Threatened and Endangered Species for Beaver County, PA
------------------------------------------------------------------------
------------------------------------------------------------------------
Mussels...................... Northern riffleshell (Epioblasma torulosa
rangiana), Clubshell (Pleurobema clava),
Dwarf wedgemussel (Alasmidonta
heterodon).
Fish......................... Shortnose sturgeon (Acipenser
brevirostrum).
Plants....................... Small-whorted pogonia (Isotria
medeoloides), Northeastern bulrush
(Scirpus ancistrochaetus).
Reptiles..................... Bog turtle (Clemmys mublenbergii),
Eastern massasauga rattlesnake
(Sistrurus catenatus catenatus).
Birds........................ Bald eagle (Haliaeetus leucocephalus),
Piping plover (Charadrius melodus).
Mammals...................... Indiana bat (Myotis sodalis).
------------------------------------------------------------------------
Consultations with the FWS have been conducted to verify that this
list of threatened or endangered species of potential concern to the
BVPS-1 and 2 EPU is accurate. In a letter dated October 2, 2003, the
Pennsylvania FWS stated that there are no federally listed or proposed
threatened or endangered species under its jurisdiction in the vicinity
of BVPS-1 and 2. FWS indicates that no federally listed or proposed
threatened and endangered species are known to occur within the project
impact area. The NRC staff's review and conclusions for each species is
presented in the following paragraphs.
The species of concern consist of three mussels, two plants, two
reptiles, two birds, one fish, and one mammal. The three federally
listed mussel species were last documented as occurring in the upper
Ohio River or lower Allegheny River in early 1900s. The Clubshell
mussel (Pleurobema clava) and Northern riffleshell mussel (Epioblasma
torulosa rangiana) have been collected in the French Creek and
Allegheny River watersheds in Clarion, Crawford, Erie, Forest, Mercer,
Venango, and Warren Counties; no adverse impacts to these mussels are
known to occur from the proposed actions.
The two mussel species known to occur in the area are typically
found in areas with substrates composed of clean gravel or a mix of
sand and gravel, and which have moderate water current. However, the
Northern riffleshell mussel has also been collected in quieter waters,
such as in the Great Lakes at a depth of greater than 35 feet on
suitable substrate. The Northern riffleshell mussel prefers firmly
packed gravel or sand. Potential habitats might include islands,
nearshore areas, and the head ends of pools. The FWS has not designated
critical habitat for this species. Since there has not been extensive
dive sampling throughout the study area, it is not known with certainty
whether this species occurs in other pools of the Allegheny and Ohio
Rivers.
The two federally listed plant species of concern, Small-whorted
pogonia (Isotria medeoloides) and Northeastern bulrush (Scirpus
ancistrochaetus), are endangered nationwide and extremely rare. No
occurrence records were identified for these species in areas of
significance to the BVPS-1 and 2 EPU. Only three populations of Small-
whorted pogonia are known to exist in the Commonwealth, none in
southwestern Pennsylvania. Information from the Pennsylvania Department
of Conservation and Natural Resources indicates that there are no
recent historical records of these species in Beaver and Allegheny
Counties. Some areas in or near the transmission line corridor may be
consistent with the habitat affinities.
The two federally listed reptile species of concern, the Bog turtle
(Clemmys mublenbergii) and Eastern massasauga rattlesnake, have not
been sighted in Beaver or Allegheny Counties. There is little or no
suitable wetland habitat on or near the BVPS-1 and 2 site or Beaver
Valley-Crescent Line 318 transmission corridor for these species.
The two federally listed bird species, the Bald eagle (Haliaeetus
leucocephalus) and the Piping plover (Charadrius melodus), are
endangered, and there are no records of these species on the BVPS-1 and
2 site. According to the FWS, the Bald eagle, a federally listed
threatened species, may possibly be found state-wide in Pennsylvania.
It is primarily found in riparian areas and is associated with coasts,
rivers, and lakes. The Bald eagle usually nests near bodies of water
where it feeds. Bald eagles feed primarily on fish, although they may
also take a variety of birds, mammals, and turtles when fish are not
readily available. Nesting has been known to occur in Butler County,
and it is possible that any resident or transient individuals of this
species may feed along the Allegheny or Ohio River corridors within the
study area.
The Bald eagle species has been observed along the Ohio River
portion at the BVPS-1 and 2 site. To date, no known nesting sites of
Bald eagles are noted immediately adjacent to areas that may be
dredged. In addition, critical habitat has not been identified for the
protection of these species within the Ohio River at or near the BVPS-1
and 2 site.
The federally listed fish species, Shortnose sturgeon (Acipenser
brevirostrum), is an endangered fish species and has never been known
to occur in western Pennsylvania; therefore, it is not expected to
occur in the impact area.
The federally listed mammal species, the Indiana bat (Myotis
sodalis), may be found state-wide in suitable habitat in Pennsylvania
as part of its summer range. Preferred winter hibernation sites include
limestone caves; abandoned coal, limestone, and iron mines; and
abandoned tunnels (one colony is currently using an abandoned railroad
[[Page 26991]]
tunnel). As many as four winter hibernation sites have been identified
in the state to date, including sites in Armstrong County, Blair
County, and Somerset County. According to the 1983 USFWS recovery plan
for the Indiana bat, there is no critical habitat for the species in
Pennsylvania.
Impacts to the eleven threatened and endangered species described
above are expected to be small due to one or more of the following: (a)
Low potential for occurrence in areas affected by plant and
transmission line operation and associated maintenance; (b) protective
operation and maintenance practices; and (c) lack of observed impacts
as documented by operational monitoring. The FWS has listed several
species with ranges that include Pennsylvania as threatened or
endangered at the Federal level, but has not designated any areas in
the Commonwealth as critical habitat for listed species (50 CFR 17.95,
50 CFR 17.96). There is no federally listed threatened and endangered
species critical habitat which has been identified on or near the BVPS-
1 and 2 site. Therefore, the species described above would not be
significantly affected as a result of the EPU. The NRC staff therefore
concludes that there is no effect on threatened and endangered species
for the proposed action.
Social and Economic Impacts
Potential social and economic impacts due to the proposed action
include changes in tax revenue for Beaver County and changes in the
size of the workforce at BVPS-1 and 2.
FENOC is now being assessed annual property taxes by Beaver County,
Shippingport Borough, and the South Side Area School District. Revenues
received by Beaver County support such programs as engineering,
recreation, public safety, public works, and emergency services.
Revenues received by the Shippingport Borough support such programs as
waste management, public works, and public safety.
FENOC employs a permanent workforce of approximately 1,000
employees and approximately 500 contractors at the BVPS-1 and 2 site.
No additional permanent employees would be expected as a result of the
EPU. Approximately 55 percent of the permanent workforce live in Beaver
County and 27 percent live in Allegheny County. The remaining employees
live in various other locations. FENOC refuels BVPS-1 and 2 at
intervals of approximately 18 months. During refueling outages, site
employment increases by as many as 800 workers for temporary (30 to 40
days) duty, and FENOC expects that similar increases would occur for
refueling outages as a result of the EPU. The proposed EPU would not
significantly impact the size of the BVPS-1 and 2 labor force and would
not have a material effect upon the labor force required for future
outages.
FENOC's annual property tax payments for BVPS-1 and 2 averaged less
than 1 percent of Beaver County's operating budgets for 2000 to 2002.
Given the area's declining populations and sluggish growth pattern, EPU
tax-driven land-use changes would generate very little new development
and minimal changes in the area's land-use patterns. No tax-driven
land-use impacts are anticipated because no additional full-time
employees would be expected as a result of the EPU. The amount of
future property tax payments for BVPS-1 and 2 post-EPU and the
proportion of those payments to the operating budgets of Beaver County,
South Side Area School District, and Shippingport Borough are dependent
on future market value of the units, future valuations of other
properties in these jurisdictions, and other factors.
The NRC staff has reviewed the information provided by the licensee
regarding socioeconomic impacts. No significant socioeconomic impacts
are anticipated because no permanent additional employees are expected
as a result of the EPU.
Summary
The proposed EPU would not result in a significant change in non-
radiological impacts in the areas of land use, water use, waste
discharges, CT operation, terrestrial and aquatic biota, transmission
facility operation, or social and economic factors. No other non-
radiological impacts were identified or would be expected. Table 2
summarizes the non-radiological environmental impacts of the proposed
EPU at BVPS-1 and 2.
Table 2.--Summary of Non-Radiological Environmental Impacts
------------------------------------------------------------------------
------------------------------------------------------------------------
Land Use..................... No significant land use modifications; no
refurbishment activities with land
impacts on historic and archaeological
resources.
Cooling Tower................ No significant aesthetic impact, slightly
larger plume size; no significant
increase in noise; no significant
fogging or icing.
Transmission Facilities...... No physical modifications to transmission
lines; lines meet shock safety
requirements; no changes to right-of-
ways; small increase in electrical
current would cause small increase in
electromagnetic field around
transmission lines.
Water Use.................... No configuration change to intake
structure; no increased rate of
withdrawal; slight increase in water
consumption due to increased
evaporation; no water-use conflicts. No
change in ground water use.
Discharge.................... Increase in water temperature discharged
to Ohio River; will meet thermal
discharge limits in current NPDES permit
at EPU conditions; no additional
chemical usage is planned as a result of
operation at EPU conditions. EPU will
not change conclusions made in the FES.
Aquatic Biota................ No additional impact expected on aquatic
biota.
Terrestrial Biota............ Pennsylvania FWS found no adverse impact
from EPU; no additional impact on
terrestrial plant or animal species.
Threatened and Endangered There are eleven federally listed species
Species. in Beaver County; EPU will have no
effect on these species.
Social and Economic.......... No significant change in size of BVPS-1
and 2 labor force required for plant
operation or future refueling outages.
------------------------------------------------------------------------
Radiological Impacts
Radioactive Waste Stream Impacts
BVPS-1 and 2 uses waste treatment systems designed to collect,
process, and dispose of gaseous, liquid, and solid wastes that might
contain radioactive material in a safe and controlled manner such that
discharges are in accordance with the requirements of Title 10 of the
Code of Federal Regulations, part 20 (10 CFR part 20), ``STANDARDS FOR
PROTECTION AGAINST RADIATION,'' and 10 CFR Part 50, ``DOMESTIC
LICENSING OF PRODUCTION AND UTILIZATION FACILITIES,'' Appendix I. These
radioactive waste streams are
[[Page 26992]]
discussed in the FESs for BVPS-1 and 2.
The proposed EPU would not result in changes in the operation or
design of equipment for the gaseous, liquid, or solid waste systems.
Gaseous Radioactive Waste and Offsite Doses
During normal operation, the gaseous effluent treatment systems
process and control the release to the environment of gaseous
radioactive effluents, including small quantities of noble gases,
halogens, tritium, and particulate material. Gaseous radioactive wastes
include airborne particulates and gases vented from process equipment
and the building ventilation exhaust air. The major sources of gaseous
radioactive waste are filtered using charcoal adsorbers, held up for
decay using separate pressurized decay tanks, and monitored prior to
release to ensure that the dose guidelines of 10 CFR Part 50, Appendix
I and the limits of 10 CFR Part 20 are not exceeded.
Gaseous releases of Kr-85 would increase by approximately the
percentage of power increase. Isotopes with shorter half-lives would
have varying EPU increase percentages up to a maximum of 18 percent.
The impact of the EPU on iodine releases would be slightly greater than
the percentage increase in power level. The other components of the
gaseous release (i.e., particulates via the building ventilation
systems and water activation gases) would not be impacted by the EPU,
according to analysis using the methodology outlined in NUREG-0017,
``Calculation of Release of Radioactive Materials in Liquid and Gaseous
Effluents from Pressurized Water Reactors.'' Tritium releases in the
gaseous effluents increase in proportion to their increased production,
which is directly related to core power. The impact of the increased
activity in the radwaste systems is primarily in the activity shipped
offsite as solid waste. Gaseous releases to the environment would not
increase beyond the limits of 10 CFR Part 20 and the guidelines of 10
CFR Part 50, Appendix I. Therefore, the increase in offsite dose due to
gaseous effluent release following implementation of the EPU would not
be significant.
Liquid Radioactive Waste and Offsite Doses
During normal operation, the liquid effluent treatment systems
process and control the release of liquid radioactive effluents to the
environment, such that the doses to individuals offsite are maintained
within the limits of 10 CFR Part 20 and the guidelines of 10 CFR Part
50, Appendix I. The liquid radioactive waste systems are designed to
process the waste and then recycle it within the plant as condensate,
reprocess it through the radioactive waste system for further
purification, or discharge it to the environment as liquid radioactive
waste effluent in accordance with State and Federal regulations.
To bound the estimated impact of EPU on the annual offsite
releases, the licensee used the highest percentage change in activity
levels of isotopes in each chemical grouping found in the primary
reactor coolant and secondary fluids that characterize each unit. The
licensee then applied the values to the applicable gaseous and liquid
effluent pathways. The percentage change was applied to the doses
reported in the licensee's radioactive effluent reports for 1997
through 2001 (adjusted to reflect a 100-percent capacity factor) to
calculate the offsite doses following the EPU. The licensee concluded
that although the doses increased, they remained below the regulatory
requirements of 10 CFR Part 20 and the guidelines of Appendix I to 10
CFR Part 50.
The EPU would increase the liquid effluent release concentrations
by approximately 14 percent, as this activity is based on the long-term
reactor coolant system (RCS) and secondary side activity and on waste
volumes. Tritium releases in liquid effluents would increase in
proportion to their increased production, which is directly related to
core power and is allocated between the gaseous and liquid releases in
this analysis in the same proportion as pre-EPU releases. However,
doses from liquid releases to the environment would not increase beyond
the limits of 10 CFR Part 20 and the guidelines of 10 CFR Part 50,
Appendix I. Therefore, there would not be a significant environmental
impact from the additional amount of radioactive material generated
following implementation of the EPU.
Solid Radioactive Wastes
The solid radioactive waste system collects, processes, packages,
and temporarily stores radioactive dry and wet solid wastes prior to
shipment offsite and permanent disposal. The volume of solid waste is
not expected to increase proportionally with the EPU increment, since
the EPU neither would appreciably impact installed equipment
performance, nor would it require drastic changes in system operation
or maintenance. Only minor, if any, changes in waste generation volume
are expected. This would include the small increase in volume of
condensate polishing resins in BVPS-2. However, it is expected that the
activity inventories for most of the solid waste would increase
proportionately to the increase in long half-life coolant activity.
While the total long-lived activity contained in the waste is expected
to be bounded by the percentage of the EPU, the increase in the overall
volume of waste generation resulting from the EPU is expected to be
minor. Therefore, no significant additional waste would be generated
due to operation at EPU conditions. Since operation at EPU conditions
would not increase the SG blowdown, no significant additional solid
waste resin would be generated.
Spent fuel from BVPS-1 and 2 is transferred from the reactors and
stored in the respective spent fuel storage pools. There is sufficient
capacity in the BVPS-1 fuel storage pool to accommodate that unit,
including full core discharge, through the end of its current license
term. FENOC anticipates that the capacity of the BVPS-2 spent fuel pool
would be exhausted by approximately year 2007, although requests for
approval of increased capacity may be undertaken. The increased power
level of the EPU would require additional energy for each cycle. To
accommodate this extra energy, it is expected that additional fresh
feed fuel assemblies would be needed in the core designs. The specific
number of feed fuel assemblies (or discharge assemblies) for each cycle
will be determined during the core design process, and will take into
account expected energy carryover from the previous cycle. FENOC has
determined that four additional fresh fuel assemblies would be needed
for each refueling under EPU conditions to meet the higher energy
needs.
Additional storage capacity would be required beyond the current
license terms if spent fuel stored in the pools cannot be transferred
to a permanent repository. Installation of additional onsite spent fuel
storage capacity, if elected, is an action licensed by the NRC
separately from EPU. Current ongoing criticality analysis conducted by
the licensee may free up presently unavailable storage in the upcoming
months. FENOC plans to request an amendment to increase spent fuel pool
storage capacity and to seek approval for dry cask storage at BVPS-1
and 2 by 2014. At this time, the NRC staff concludes that there would
be no significant environmental impacts resulting from storage of the
additional fuel assemblies.
[[Page 26993]]
Direct Radiation Doses Offsite
The licensee evaluated the direct radiation dose to the
unrestricted area and concluded that it is not a significant exposure
pathway. Since the EPU would only slightly increase the core inventory
of radionuclides and the amount of radioactive wastes, the NRC staff
concludes that direct radiation dose would not be significantly
affected by the EPU and would continue to meet the limits in 10 CFR
part 20.
In addition to the dose impact to radioactive gaseous and liquid
effluents, the licensee evaluated the dose impact of the EPU on the
direct radiation from plant systems and components containing
radioactive material to members of the public, as required by 40 CFR
part 190.
The licensee's evaluation concluded that the direct radiation doses
are not expected to increase significantly over current levels and are
expected to remain within the limit of 25 mrem (0.25 mSv) annual whole-
body dose equivalent as specified in 40 CFR Part 190.
Occupational Dose
Occupational exposures from in-plant radiation primarily occur
during routine maintenance, special maintenance, and refueling
operations. An increase in power at BVPS-1 and 2 could increase the
radiation levels in the RCS. However, plant programs and administrative
controls such as shielding, plant chemistry, and the radiation
protection program would help compensate for these potential increases.
The licensee's assessment takes into consideration that following
EPU, the operation and layout/arrangement of plant radioactive systems
would remain consistent with the original design. The EPU assessment
takes into account that normal operational dose rates and dose to
members of the public and to plant workers must continue to meet the
requirements of 10 CFR Part 20 and radioactive effluent release license
conditions.
The NRC staff has evaluated the licensee's plan regarding
occupational exposure related to the EPU. The licensee has evaluated
the impact of the EPU on the radiation source terms in the reactor
core, irradiated fuels/objects, RCS and downstream radioactive systems.
These source terms are expected to increase by approximately 7.9
percent after a core power uprate from 2689 MWt to 2900 MWt. The
radiation exposure received by plant personnel would be expected to
increase by approximately the same percentage. The above increase in
radiation levels would not affect the radiation zoning or shielding
requirements in the various areas of the plant because the increase due
to EPU would be offset by the conservatism in the pre-EPU ``design-
basis'' source terms used to establish the radiation zones by BVPS-1
and 2 Technical Specifications (TSs) that limit the RCS concentrations
to levels well below the design-basis source terms, and by conservative
analytical techniques used to establish shielding requirements.
Regardless, individual worker exposures would be maintained within
acceptable limits by the site Radiation Protection Program, which
controls access to radiation areas. In addition, procedural controls
and As Low as Reasonably Achievable (ALARA) techniques are used to
limit doses in areas having increased radiation levels. Therefore, the
annual average collective occupational dose after the EPU is
implemented would still be well below the value expected when the FESs
were published.
Summary of Dose Impacts
On the basis of the NRC staff's review of the BVPS-1 and 2 license
amendment request, the staff concludes that the proposed 8-percent
power uprate would not have a significant effect on occupational dose
or members of the public from radioactive gaseous and liquid effluent
releases. The licensee has programs and procedures in place to ensure
that radiation doses are maintained ALARA in accordance with the
requirements of 10 CFR 20.1101, Appendix I to 10 CFR Part 50, and 40
CFR Part 190. Therefore, the staff finds the dose impacts from the
proposed EPU at the BVPS-1 and 2 to be acceptable from a normal
operations perspective.
Postulated Accident Doses
As a result of implementation of the proposed EPU, there would be
an increase in the source term used in the evaluation of some of the
postulated accidents in the FESs. The inventory of radionuclides in the
reactor core is dependent upon power level; therefore, the core
inventory of radionuclides could increase by as much as 8 percent. The
concentration of radionuclides in the reactor coolant may also increase
by as much as 8 percent; however, this concentration is limited by the
BVPS-1 and 2 TSs. Therefore, the reactor coolant concentration of
radionuclides would not be expected to increase significantly. This
coolant concentration is part of the source term considered in some of
the postulated accident analyses. Some of the radioactive waste streams
and storage systems evaluated for postulated accidents may contain
slightly higher quantities of radionuclides. For those postulated
accidents where the source term has increased, the calculated potential
radiation dose to individuals at the site boundary (the exclusion area)
and in the low population zone would be increased over values presented
in the FESs. As a result of the proposed EPU, plant radioactive source
terms would be anticipated to increase proportionally to the actual
power level increase.
The NRC staff has reviewed the licensee's analyses and performed
confirmatory calculations to verify the acceptability of the licensee's
calculated doses under accident conditions. The NRC staff's independent
review of dose calculations under postulated accident conditions
determined that dose would be within regulatory limits. Therefore, the
NRC staff concludes that the EPU would not significantly increase the
consequences of accidents and would not result in a significant
increase in the radiological environmental impact of BVPS-1 and 2 from
postulated accidents.
Fuel Cycle and Transportation Impacts
The environmental impacts of the fuel cycle and transportation of
fuels and wastes are described in Tables S-3 and S-4 of 10 CFR 51.51
and 10 CFR 51.52, respectively. An additional NRC generic EA (53 FR
30355, dated August 11, 1988, as corrected by 53 FR 32322, dated August
24, 1988) evaluated the applicability of Tables S-3 and S-4 to higher
burnup cycles and concluded that there is no significant change in
environmental impact from the parameters evaluated in Tables S-3 and S-
4 for fuel cycles with uranium enrichments up to 5 weight percent
Uranium-235 and burnups less than 60,000 megawatt (thermal) days per
metric ton (MWd/MTU). Both BVPS-1 and 2 would maintain their nominal
18-month refueling cycles with the EPU. Therefore, the environmental
impacts of the EPU would remain bounded by the impacts in Tables S-3
and S-4 and would not be significant.
Summary
The proposed EPU would not significantly increase the potential
radiological consequences of design-basis accidents, would not result
in a significant increase in occupational or public radiation exposure,
and would not result in significant additional fuel cycle environmental
impacts. Accordingly, the Commission concludes that there are no
significant radiological environmental impacts associated with
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the proposed action. Table 3 summarizes the radiological environmental
impacts of the proposed EPU at BVPS-1 and 2.
Alternatives to Proposed Action
As an alternative to the proposed action, the NRC staff considered
denial of the proposed EPU (i.e., the ``no-action'' alternative).
Denial of the application would result in no change in the current
environmental impacts. However, if the EPU were not approved, other
agencies and electric power organizations may be required to pursue
other means of providing electric generation capacity to offset future
demand such as fossil fuel power generation. Construction and operation
of a fossil-fueled plant would create impacts in air quality, land use,
and waste management significantly greater than those identified for
the EPU at BVPS-1 and 2.
Implementation of the proposed EPU would have less impact on the
environment than the construction and operation of a new fossil-fueled
generating facility or the operation of fossil-fueled facilities
outside the service area.
Alternative Use of Resources
This action does not involve the use of any resources not
previously considered in the FESs.
Table 3.--Summary of Radiological Environmental Impacts
------------------------------------------------------------------------
------------------------------------------------------------------------
Gaseous Effluents and Doses.. Slight increase in dose due to gaseous
effluents; doses to individuals offsite
will remain within NRC limits.
Liquid Effluents and Doses... 14-percent increase in liquid effluent
release concentrations; 14-percent
increase for doses due to liquid
effluent pathway are still well within
the 10 CFR Part 50, Appendix I
guidelines, so no significant increase
in dose to public is expected.
Solid Radioactive Waste...... Volume of solid waste is not expected to
increase; within FES estimate; increase
in amount of spent fuel assemblies;
future application for dry cask storage.
In-plant Dose................ Occupational dose could increase by 7.9
percent; will remain within FES
estimate.
Direct Radiation Dose........ Dose expected to increase the same
percentage as the EPU for dose rates
offsite; expected annual dose continues
to meet NRC/EPA limits.
Postulated Accidents......... Licensee concluded doses are within NRC
limits.
Fuel Cycle and Transportation Impacts in Tables S-3 and S-4 in 10 CFR
Part 51, ``ENVIRONMENTAL PROTECTION
REGULATIONS FOR DOMESTIC LICENSING AND
RELATED REGULATORY FUNCTIONS'' are
bounding.
------------------------------------------------------------------------
Agencies and Persons Consulted
In accordance with its stated policy, on May 3, 2006, the NRC staff
consulted with the Pennsylvania State off