In addition to the applicable rules in this chapter and Chapter
3701:1-38 of the Administrative Code, handlers of analytical systems
will
comply with the following:
(A)
Analytical systems will meet the following equipment standards:
(1) Open-beam analytical systems
will;
(a) Provide an automatic shut-off feature
that prevents any part of a person's body from being exposed to the primary
x-ray beam path; or
(b) Request a
variance from the director to include:
(i) The
reason a device or an automatic shut-off feature cannot be used; and
(ii) A description of the alternative methods
that will be employed to minimize the possibility of an accidental exposure,
including procedures to assure that the operators and others in the area will
be informed of the absence of safety devices.
(2) Analytical system installed after
February 10, 2006, will be provided with a readily visible warning light
labeled with the words "X-RAY ON" or symbols having a similar intent, and be
located near the x-ray source and its controls and be illuminated when the
x-ray source is energized. In addition, open-beam analytical system
will be
provided with a readily discernible indication of:
(a) X-ray source power "on-off" status
located near the x-ray source housing, if the primary beam is controlled in
this manner; or
(b) Shutter
"open-closed" status located near each collimator on the x-ray source housing,
if the primary beam is controlled in this manner.
(3) Except for gauging units, open-beam
analytical systems installed after February 10, 2006,
will
have warning devices, or a system of warning devices, such as
lights with fail-safe
characteristics.
(4) All analytical
systems will conspicuously display a clearly legible label or
labels bearing the radiation symbol and the words "CAUTION -THIS EQUIPMENT
PRODUCES RADIATION WHEN ENERGIZED" or appropriate words having a similar
intent, near any switch or control that directly energizes the unit. Open-beam
analytical systems will have an additional warning label on or near the
x-ray housing with the radiation symbol with the words "CAUTION - HIGH
INTENSITY X-RAY BEAM" or appropriate words having a similar intent.
(5) Each x-ray source housing installed on or
after August 1, 2011 will be equipped with an interlock that shuts off the
radiation beam when the housing is opened. For each x-ray source
housing installed prior to August 1, 2011 and not equipped with an interlock,
administrative controls will be instituted to include that the power
will be
disconnected before any disassembly.
(6) Unused beam ports
on x-ray source housings will be secured in the closed position, or
mechanically blocked.
(7) All
analytical systems other than open-beam analytical systems
will be
supplied with a protective cabinet which limits leakage radiation measured at a
distance of five centimeters from any external surface such that it is not
capable of producing a dose in excess of 2.5 microsievert (0.25 millirem) in
one hour.
(B) Handlers
of analytical systems will comply with
the following radiation safety obligations:
(1) The
facility's individual responsible for radiation protection (IRRP)
will
document and implement operating procedures relative to radiation safety. The
IRRP will be qualified in accordance with
paragraph (H) of rule
3701:1-68-02 of the
Administrative Code. The IRRP will assure and document that all operators of
analytical systems have received appropriate training. No individual
will be
permitted to operate analytical systems in any manner other than that specified
in the procedures unless such individual has obtained written approval of the
IRRP.
(2) Any temporary alteration
to safety devices, such as by-passing interlocks or removing shielding
will be
recorded. This record will:
(a) Contain such information as date the
alteration was made, type of alteration, length of time alteration remained in
place, and signature of the individual who made the alteration and the
individual who restored the safety device to the original condition;
and
(b) Be approved, and signed in
advance for a specified period of time by the individual responsible for
radiation protection, and posted near the x-ray source housing with the
signatures of approval.
(3) Except as specified in paragraph (B)(2)
of this rule, no operation involving removal of covers, shielding materials or
x-ray source housings or modifications to shutters, collimators, or beam stops
will be
performed without ascertaining that the x-ray source is off and will remain off
until safe conditions have been restored. The x-ray source power switch, in
conjunction with appropriate interlocks, will be used for
routine shutdown in preparation for repairs.
(C) In addition to the
radiation protection
obligations in rule
3701:1-68-02 of the
Administrative Code, handlers of analytical systems will comply with
the following :
(1) The local
components of an analytical system will be located,
arranged, and include sufficient shielding or access control such that no
radiation levels exist in any area surrounding the local component group which
could result in a dose to an individual present therein in excess of the dose
limits given in Chapter 3701:1-38 of the Administrative Code. These levels
will be
met at any specified radiation source rating.
(2) Radiation area surveys of all analytical systems
will be
performed and the results recorded to confirm compliance with paragraph (A) of
rule 3701:1-38-14 the
Administrative Code:
(a) Upon installation
;
(b) Following any change in the initial
arrangement, number, or type of local components in the system;
(c) Following any maintenance requiring the
disassembly or removal of a local component in the system;
(d) During the performance of maintenance and
alignment procedures if the procedures obligate the
presence of a primary beam when any local component in the system is
disassembled or removed;
(e) Any
time a visual inspection of the local components in the system reveals an
abnormal condition; and
(f)
Whenever personnel monitoring reports show an unexplained increase over the
previous monitoring period or the readings are approaching the limits specified
in rules adopted pursuant to Chapter 3701:1-38 of the Administrative
Code.
(3) Analytical
systems will be evaluated and the results recorded at least
every six months by individuals qualified according to paragraph (H) of rule
3701:1-68-02 of the
Administrative Code, unless the system has been locked out and tagged "DO NOT
USE."
(a) The evaluation
will
verify:
(i) Proper functioning of each
interlock and warning light; and
(ii) Each tag and label is legible and
properly affixed in the appropriate location.
(b) If an interlock or light is not
functioning properly, it will be immediately labeled as defective and repaired
or replaced within seven calendar days.
(4) Finger or wrist radiation monitoring
devices will be provided to and will be used
by:
(a) Operators of open-beam analytical
systems without provisions for engineering controls as provided in paragraph
(A)(1) of this rule; and
(b)
Personnel maintaining analytical systems if the maintenance procedures
include the presence of an external radiation beam
when any local component in the analytical system is disassembled or
removed.
(D)
Handlers of gauging units will be exempt from the obligations of paragraphs (C)(2)(c) to (C)(2)(e) of
this rule.
(E) Handlers of
hand-held analytical systems will:
(1) Be exempt
from the obligations of paragraphs (A)(1) and (A)(3) of this
rule;
(2)
Obligate the IRRP to document and implement safe
operating procedures to include, but not be limited to:
(a) Using specific administrative controls to
prevent unauthorized access or use of the system;
(b) Assuring that the system remains in
direct control of the authorized operator;
(c)
Banning
individuals from holding a sample in their hand during irradiation;
(d) Operating of software, trigger locks and
proximity sensors;
(e) Using
analyzer stands when the sample fits or when the part does not completely cover
the beam port;
(f) Taking
precautions during irradiation to prevent exposure of the operator or other
individuals;
(g) Establishing and
maintaining a restricted area of at least three feet opposite the side of the
sample being exposed;
(h) Having
alternative engineering and administrative safety controls that effectively
prevent personnel exposure to the primary beam; and
(i) Requiring operators to wear assigned ring
badges on the hand closest to the primary beam.