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Requirements for Hazard Control cont'd - hdbk11392003vol30069
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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 - hdbk11392003vol30071


DOE-HDBK-1139/3-2003
Sources10
Consolidated Requirements
(b) Maximum Quantity of Oxidizing Gases.
(1)
For a laboratory work area of 500 ft² or
less, the internal cylinder volume in
standard cubic feet equals 6.0.
(2)
For a laboratory work area greater than
500 ft ² or less, the internal cylinder
volume is 0.012³ ft per ft² lab work area.
(c) Maximum Quantity of Liquefied Flammable
Gases.
(1)
For a laboratory work area of 500 ft² or
less, the internal cylinder volume in
standard cubic feet equals 1.2.
(2)
For a laboratory work area greater than
500 ft², the internal cylinder volume is
0.0018 ft³ per ft² labor work area.
(d) Maximum Quantity of Health Hazard 3 or 4
gases.
(1)
For a laboratory work area of 500 ft² or
less, the internal cylinder volume in
standard cubic feet equals 0.3.
(2)
For a laboratory work area greater than
500 ft ², the internal cylinder volume is
0.0006 ft³ per ft² lab work area.
4.3.7 Laboratory Operations and Apparatus ­ NFPA 45 contains
NFPA 45, 9.1.2-9.2.7.2
additional laboratory safety controls covering:
·  Operations: heating, distillation, other separation
procedures, drying, mixing and grinding, and
operations involving reactions at temperatures and
pressures above and below ambient conditions.
·  Apparatus: refrigeration and cooling equipment,
heating equipment, pressure equipment, and analytical
instruments.
4.4
Combustible Liquids
4.4.1  Operations involving flammable or combustible liquids
NFPA 30, 5.2
shall be located and operated so that they do not
constitute a significant fire or explosion hazard to life or
property.
4.4.2
Precautions shall be taken to prevent the unintentional
NFPA 30, 5.9.1;
ignition of flammable vapors.
29CFR1910.106(b)(6);
29CFR1910.106(e)(6)(1)
46


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