Hazardous Materials: Use of DOT Specification 39 Cylinders for Liquefied Flammable Compressed Gas, 18967-18968 [2017-05614]
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Federal Register / Vol. 82, No. 77 / Monday, April 24, 2017 / Notices
approval to renew an information
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the Paperwork Reduction Act of 1995,
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DATES: Written comments should be
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ADDRESSES: You may submit comments
[identified by Docket No. DOT–
MARAD–2017–0077] through one of the
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VerDate Sep<11>2014
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Jkt 241001
(Authority: The Paperwork Reduction Act of
1995; 44 U.S.C. Chapter 35, as amended; and
49 CFR 1.93)
By Order of the Maritime Administrator.
Dated: April 18, 2017.
T. Mitchell Hudson, Jr.,
Secretary, Maritime Administration.
[FR Doc. 2017–08170 Filed 4–21–17; 8:45 am]
BILLING CODE 4910–81–P
DEPARTMENT OF TRANSPORTATION
Maritime Administration
[Docket No. DOT–MARAD–2017–0062]
Request for Comments of a Previously
Approved Information Collection
Maritime Administration,
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Transportation, 1200 New Jersey
DATES:
PO 00000
Frm 00079
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18967
Avenue SE., W26–494, Washington, DC
20590.
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By Order of the Maritime Administrator.
Dated: April 18, 2017.
T. Mitchell Hudson, Jr.,
Secretary, Maritime Administration.
[FR Doc. 2017–08171 Filed 4–21–17; 8:45 am]
BILLING CODE 4910–81–P
DEPARTMENT OF TRANSPORTATION
Pipeline and Hazardous Materials
Safety Administration
[Docket No. PHMSA–2016–0078; Notice No.
2016–14]
Hazardous Materials: Use of DOT
Specification 39 Cylinders for
Liquefied Flammable Compressed Gas
Pipeline and Hazardous
Materials Safety Administration
(PHMSA), DOT.
ACTION: Safety advisory notice, revised.
AGENCY:
PHMSA is issuing this revised
safety advisory notice to address
concerns of offerors and users of DOT
Specification 39 (DOT–39) cylinders
that exceed 75 cubic inches (in3) (1.23
L) and to provide clarification of the
initial safety advisory notice we issued
on this subject on December 13, 2016
(Notice No. 2016–14). DOT–39 cylinders
exceeding 75 in3 (1.23 L) should not
contain liquefied flammable compressed
SUMMARY:
E:\FR\FM\24APN1.SGM
24APN1
18968
Federal Register / Vol. 82, No. 77 / Monday, April 24, 2017 / Notices
cyclopropane, ethane, or ethylene, or
liquefied petroleum gases. PHMSA
advises against the filling or
transporting of these gases in DOT–39
cylinders when the cylinder’s internal
volume exceeds 75 in3 (1.23 L).
FOR FURTHER INFORMATION CONTACT:
Refaat Shafkey, General Engineer,
Engineering and Research Division,
Office of Hazardous Materials Safety,
Pipeline and Hazardous Materials Safety
Administration, U.S. Department of
Transportation, 1200 New Jersey
Avenue SE., Washington, DC 20590.
Telephone: (202) 366–4545 or email:
refaat.shafkey@dot.gov.
SUPPLEMENTARY INFORMATION:
A. Public Action Requested
PHMSA advises that DOT–39
cylinders having an internal volume
exceeding 75 cubic inches (in3) (1.23 L)
should not contain liquefied flammable
compressed cyclopropane, ethane, or
ethylene, or liquefied petroleum gases.
These gases were historically restricted
to this volume for shipment in
specification cylinders (currently
§ 173.304a). This limitation was based
on extensive experience under special
permits and the consideration that, in
transportation and without the
limitation, non-reusable cylinders of
larger sizes (and lower integrity) would
be used in place of authorized higherintegrity reusable cylinders. Use of these
DOT–39 non-reusable cylinders in
larger sizes would lower the level of
transportation safety previously
established through use of higherintegrity reusable cylinders for the
shipment of flammable gases. See the
Background section for additional
information on this issue.
jstallworth on DSK7TPTVN1PROD with NOTICES
B. Safety Concern
The release of a liquefied flammable
compressed gas as result of the failure
of a cylinder having an internal volume
exceeding 75 in3 (1.23 L) is a safety
concern with potential to cause property
damage, serious personal injury, or even
death. A DOT–39 cylinder, without
further size restriction, can have a
volume of up to 1,526 in3 (25 L) at a
service pressure of 500 psig or less and,
as such, can have up to 20 times the
stored energy of a DOT–39 cylinder
limited to 75 in3 (1.23 L). This increased
stored energy presents a greater safety
risk in the event of a release.
Additionally, because of the design
specifications that allow for thinner
walls when used at lower pressure,
these cylinders may be at greater risk
from corrosion or puncture. Given the
known risks associated with cylinders
that are filled with liquefied flammable
VerDate Sep<11>2014
13:48 Apr 21, 2017
Jkt 241001
compressed gases, PHMSA is issuing
this revised safety advisory notice to
advise offerors and transporters of DOT–
39 cylinders that those with an internal
volume greater than 75 in3 (1.23 L)
should not be filled and/or transported
with liquefied compressed
cyclopropane, ethane, or ethylene, or
with liquefied petroleum gases.
C. Background
This revised safety advisory notice is
being issued in part because of safety
concerns stemming from a past
rulemaking action impacting DOT–39
cylinders used for certain liquefied
flammable compressed gases. In an
October 30, 1998 notice of proposed
rulemaking (NPRM),1 the Research and
Special Programs Administration
(RSPA)—the predecessor administration
to PHMSA—proposed to extend the 75
in3 (1.23 L) volume limitation of DOT–
39 cylinders to all liquefied flammable
compressed gases by revising § 173.304
to delete Note 9 from the table at
§ 173.304(a)(2) and adding new sections
173.304a and 173.304b.2 RSPA received
several comments in opposition to this
proposal. RSPA published a final rule
on August 8, 2002 and, based on the
opposing comments, decided not to
extend the 75 in3 (1.23 L) limitation to
all liquefied flammable compressed
gases in a DOT–39 cylinder at that time.
However, in the process of publishing
the final rule, the administration
inadvertently omitted the 75 in3 (1.23 L)
limitation from the Hazardous Materials
Regulations (HMR; 49 CFR parts 171–
180) for cyclopropane, ethane, ethylene,
or liquefied petroleum gas.3 Thus,
historically, the HMR limited the
internal volume of a DOT–39 cylinder to
75 in3 (1.23 L) when used for these
gases.
On November 13, 2014, PHMSA
accepted a petition for rulemaking (P–
1622) from Worthington Cylinders to
address this error. On July 26, 2016,
PHMSA published in the Federal
Register an NPRM titled, ‘‘Hazardous
Materials: Miscellaneous Amendments
Pertaining to DOT Specification
Cylinders (RRR),’’ [81 FR 48977; Docket
No. PHMSA–2011–0140 (HM–234)] 4
1 NPRM—Hazardous Materials: Requirements for
DOT Specification Cylinders (HM–220D) [63 FR
58460].
2 The respective additional requirements for
liquefied compressed gases have since been
redesignated at § 173.304a).
3 Final Rule—Hazardous Materials: Requirements
for Maintenance, Requalification, Repair and Use of
DOT Specification Cylinders (HM–220D) [67 FR
51625].
4 Hazardous Materials: Miscellaneous
Amendments Pertaining to DOT Specification
Cylinders (RRR) (HM–234) [81 FR 48977], available
PO 00000
Frm 00080
Fmt 4703
Sfmt 4703
that proposed to extend the limit on the
internal volume of DOT–39 cylinders to
use with all liquefied flammable
compressed gases, thus correcting the
inadvertent omission and seeking
comment regarding the possibility of
expanding the applicability to capture
those liquefied flammable compressed
gases (e.g., difluoromethane (Refrigerant
gas R 32)) either not reflected in the
§ 173.304a(a)(2) table or not considered
a liquefied petroleum gas. Additionally,
the NPRM further sought input on past
experience with the transport of
liquefied flammable compressed gases
in DOT–39 cylinders larger than 75 in3
(1.23 L) since implementation of the
2002 final rule.
Given the known risks associated
with cylinders that are filled with
liquefied flammable compressed gases,
PHMSA is issuing this revised safety
advisory notice to advise offerors and
transporters of DOT–39 cylinders that
those with an internal volume greater
than 75 in3 (1.23 L) should not be filled
and/or transported with liquefied
compressed cyclopropane, ethane, or
ethylene, or with liquefied petroleum
gases.
Issued in Washington, DC, on March 16,
2017.
William S. Schoonover,
Associate Administrator for Hazardous
Materials Safety, Pipeline and Hazardous
Materials Safety Administration.
[FR Doc. 2017–05614 Filed 4–21–17; 8:45 am]
BILLING CODE 4910–60–P
DEPARTMENT OF THE TREASURY
Internal Revenue Service
Proposed Collection; Comment
Request for Regulation Project
Internal Revenue Service (IRS),
Treasury.
AGENCY:
Notice and request for
comments.
ACTION:
The Department of the
Treasury, as part of its continuing effort
to reduce paperwork and respondent
burden, invites the general public and
other Federal agencies to take this
opportunity to comment on proposed
and/or continuing information
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SUMMARY:
at https://www.gpo.gov/fdsys/pkg/FR-2016-07-26/
pdf/2016-16689.pdf.
E:\FR\FM\24APN1.SGM
24APN1
]]>Agencies
[Federal Register Volume 82, Number 77 (Monday, April 24, 2017)]
[Notices]
[Pages 18967-18968]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2017-05614]
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Pipeline and Hazardous Materials Safety Administration
[Docket No. PHMSA-2016-0078; Notice No. 2016-14]
Hazardous Materials: Use of DOT Specification 39 Cylinders for
Liquefied Flammable Compressed Gas
AGENCY: Pipeline and Hazardous Materials Safety Administration (PHMSA),
DOT.
ACTION: Safety advisory notice, revised.
-----------------------------------------------------------------------
SUMMARY: PHMSA is issuing this revised safety advisory notice to
address concerns of offerors and users of DOT Specification 39 (DOT-39)
cylinders that exceed 75 cubic inches (in\3\) (1.23 L) and to provide
clarification of the initial safety advisory notice we issued on this
subject on December 13, 2016 (Notice No. 2016-14). DOT-39 cylinders
exceeding 75 in\3\ (1.23 L) should not contain liquefied flammable
compressed
[[Page 18968]]
cyclopropane, ethane, or ethylene, or liquefied petroleum gases. PHMSA
advises against the filling or transporting of these gases in DOT-39
cylinders when the cylinder's internal volume exceeds 75 in\3\ (1.23
L).
FOR FURTHER INFORMATION CONTACT: Refaat Shafkey, General Engineer,
Engineering and Research Division, Office of Hazardous Materials
Safety, Pipeline and Hazardous Materials Safety Administration, U.S.
Department of Transportation, 1200 New Jersey Avenue SE., Washington,
DC 20590. Telephone: (202) 366-4545 or email: refaat.shafkey@dot.gov.
SUPPLEMENTARY INFORMATION:
A. Public Action Requested
PHMSA advises that DOT-39 cylinders having an internal volume
exceeding 75 cubic inches (in\3\) (1.23 L) should not contain liquefied
flammable compressed cyclopropane, ethane, or ethylene, or liquefied
petroleum gases. These gases were historically restricted to this
volume for shipment in specification cylinders (currently Sec.
173.304a). This limitation was based on extensive experience under
special permits and the consideration that, in transportation and
without the limitation, non-reusable cylinders of larger sizes (and
lower integrity) would be used in place of authorized higher-integrity
reusable cylinders. Use of these DOT-39 non-reusable cylinders in
larger sizes would lower the level of transportation safety previously
established through use of higher-integrity reusable cylinders for the
shipment of flammable gases. See the Background section for additional
information on this issue.
B. Safety Concern
The release of a liquefied flammable compressed gas as result of
the failure of a cylinder having an internal volume exceeding 75 in\3\
(1.23 L) is a safety concern with potential to cause property damage,
serious personal injury, or even death. A DOT-39 cylinder, without
further size restriction, can have a volume of up to 1,526 in\3\ (25 L)
at a service pressure of 500 psig or less and, as such, can have up to
20 times the stored energy of a DOT-39 cylinder limited to 75 in\3\
(1.23 L). This increased stored energy presents a greater safety risk
in the event of a release. Additionally, because of the design
specifications that allow for thinner walls when used at lower
pressure, these cylinders may be at greater risk from corrosion or
puncture. Given the known risks associated with cylinders that are
filled with liquefied flammable compressed gases, PHMSA is issuing this
revised safety advisory notice to advise offerors and transporters of
DOT-39 cylinders that those with an internal volume greater than 75
in\3\ (1.23 L) should not be filled and/or transported with liquefied
compressed cyclopropane, ethane, or ethylene, or with liquefied
petroleum gases.
C. Background
This revised safety advisory notice is being issued in part because
of safety concerns stemming from a past rulemaking action impacting
DOT-39 cylinders used for certain liquefied flammable compressed gases.
In an October 30, 1998 notice of proposed rulemaking (NPRM),\1\ the
Research and Special Programs Administration (RSPA)--the predecessor
administration to PHMSA--proposed to extend the 75 in\3\ (1.23 L)
volume limitation of DOT-39 cylinders to all liquefied flammable
compressed gases by revising Sec. 173.304 to delete Note 9 from the
table at Sec. 173.304(a)(2) and adding new sections 173.304a and
173.304b.\2\ RSPA received several comments in opposition to this
proposal. RSPA published a final rule on August 8, 2002 and, based on
the opposing comments, decided not to extend the 75 in\3\ (1.23 L)
limitation to all liquefied flammable compressed gases in a DOT-39
cylinder at that time. However, in the process of publishing the final
rule, the administration inadvertently omitted the 75 in\3\ (1.23 L)
limitation from the Hazardous Materials Regulations (HMR; 49 CFR parts
171-180) for cyclopropane, ethane, ethylene, or liquefied petroleum
gas.\3\ Thus, historically, the HMR limited the internal volume of a
DOT-39 cylinder to 75 in\3\ (1.23 L) when used for these gases.
---------------------------------------------------------------------------
\1\ NPRM--Hazardous Materials: Requirements for DOT
Specification Cylinders (HM-220D) [63 FR 58460].
\2\ The respective additional requirements for liquefied
compressed gases have since been redesignated at Sec. 173.304a).
\3\ Final Rule--Hazardous Materials: Requirements for
Maintenance, Requalification, Repair and Use of DOT Specification
Cylinders (HM-220D) [67 FR 51625].
---------------------------------------------------------------------------
On November 13, 2014, PHMSA accepted a petition for rulemaking (P-
1622) from Worthington Cylinders to address this error. On July 26,
2016, PHMSA published in the Federal Register an NPRM titled,
``Hazardous Materials: Miscellaneous Amendments Pertaining to DOT
Specification Cylinders (RRR),'' [81 FR 48977; Docket No. PHMSA-2011-
0140 (HM-234)] \4\ that proposed to extend the limit on the internal
volume of DOT-39 cylinders to use with all liquefied flammable
compressed gases, thus correcting the inadvertent omission and seeking
comment regarding the possibility of expanding the applicability to
capture those liquefied flammable compressed gases (e.g.,
difluoromethane (Refrigerant gas R 32)) either not reflected in the
Sec. 173.304a(a)(2) table or not considered a liquefied petroleum gas.
Additionally, the NPRM further sought input on past experience with the
transport of liquefied flammable compressed gases in DOT-39 cylinders
larger than 75 in\3\ (1.23 L) since implementation of the 2002 final
rule.
---------------------------------------------------------------------------
\4\ Hazardous Materials: Miscellaneous Amendments Pertaining to
DOT Specification Cylinders (RRR) (HM-234) [81 FR 48977], available
at https://www.gpo.gov/fdsys/pkg/FR-2016-07-26/pdf/2016-16689.pdf.
---------------------------------------------------------------------------
Given the known risks associated with cylinders that are filled
with liquefied flammable compressed gases, PHMSA is issuing this
revised safety advisory notice to advise offerors and transporters of
DOT-39 cylinders that those with an internal volume greater than 75
in\3\ (1.23 L) should not be filled and/or transported with liquefied
compressed cyclopropane, ethane, or ethylene, or with liquefied
petroleum gases.
Issued in Washington, DC, on March 16, 2017.
William S. Schoonover,
Associate Administrator for Hazardous Materials Safety, Pipeline and
Hazardous Materials Safety Administration.
[FR Doc. 2017-05614 Filed 4-21-17; 8:45 am]
BILLING CODE 4910-60-P
