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Requirements for Hazard Control cont'd - hdbk11392003vol30085
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Chemical Management (Volume 3 of 3) Consolidated Chemical User Safety and Health Requirements - index
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Requirements for Hazard Control cont'd - hdbk11392003vol30087


DOE-HDBK-1139/3-2003
Sources10
Consolidated Requirements
4.5.59 If a leak is found around the valve stem of a fuel gas
ANSI Z49.1, 10.8.5.1;
cylinder, then the packing nuts shall be tightened and
the cylinder valve closed.
CGA G-1, 5.6.2;
29CFR1926.350(d)(5)
4.5.59.1
If these actions do not stop the leak (because
ANSI Z49.1, 10.8.5.2;
the leak is in the valve stem, valve seat,
cylinder fuse plug, etc.) then the cylinder
CGA G-1, 5.6.3;
shall be moved from the work area to a safe
location outdoors and the cylinder shall be
29CFR1910.253(b)(5)(iii)(F);
properly marked.
29CFR1926.350(d)(5)
4.5.59.2
Precautionary signs warning of a fire hazard
ANSI Z49.1, 10.8.5.2;
shall be posted where leaking fuel cylinders
are located.
CGA G-1, 5.6.3;
29CFR1910.253(b)(5)(iii)(G)
4.5.59.3
If a leaking fuel cylinder cannot be moved,
ANSI Z49.1, 10.8.5.2
then the area shall be evacuated and the fire
department shall be summoned for
assistance.
4.5.59.4
Small fires at fuel gas cylinders shall be
ANSI Z49.1, 10.8.5.3
extinguished if possible without endangering
personnel by either shutting off the valve or
by the use of water.
4.5.59.4.1 Personnel shall evacuate the area
ANSI Z49.1, 10.8.5.3
and the fire department
summoned for assistance if a
cylinder fire cannot be easily
extinguished.
4.5.60 When compressed gas lines are being purged of air,
NFPA 51, 4-4.2;
oxygen or combustible gas, then sources of ignition
NFPA 51, 4-5.2;
shall not be allowed near uncapped openings.
29CFR1910.253(d)(5)(ii)
4.5.61 The use of liquid acetylene is prohibited.
NFPA 51, 1-3.1
4.5.62 Details for the following compressed gases can be
found in the listed citations:
4.5.62.1 Acetylene
29CFR1910.102
4.5.62.2 Hydrogen
29CFR1910.103
4.5.62.3 Oxygen
29CFR1910.104
62


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