Requirements for Chemical Storage cont'd

DOE-HDBK-1139/3-2003

Sources10

Consolidated Requirements

4.1.7.1 All construction materials in a chemical storage area

NFPA 432, 2.3

shall be compatible with those chemicals being

stored.

4.1.7.2 Special care shall be taken to prevent the

NFPA 430, 2.4.2.1

contamination of chemicals in storage.

4.1.7.3 When flammable and combustible liquids are stored

NFPA 430, 2.4.2.2

in segregated warehouses (see definition) with

oxidizers, they shall be separated from those

oxidizers by a distance of 25 ft. with dikes, drains, or

sloping floors present to prevent the flammable

liquids from encroaching on the separation.

4.1.8 Chemicals that might become hazardous upon prolonged storage

NFPA 45, 7.2.3.5;

shall be dated when first opened and evaluated for safety every 6

NFPA 45, 10.3.2

months thereafter.

4.1.8.1 Chemicals that are found to be unsafe and cannot be

NFPA 45, 7.2.3.5

made safe shall be disposed of safely and in

compliance with applicable requirements.

4.1.9 Indoor chemical storage areas shall have either natural or

CGA G-1, 4.2.2;

mechanical ventilation designed to provide a minimum of six air

CGA G-1, 4.2.6;

exchanges per hour and shall discharge the air a minimum of 50

CGA G-1, 4.2.15;

ft. from any air intakes for air handling systems, air compressors,

CGA P-1, 4.2.1.3;

etc.

NFPA 30, 4.3;

[EXCEPTION: Under NFPA 30, 4.3 and NFPA 45, 7-2.3.6 this

NFPA 45, 7.2.3.6

requirement does not apply to flammable liquid storage

NFPA 51, 2.2.2;

cabinets.]

NFPA 51, 2.3.2;

NFPA 55, 6.17;

29CFR1910.106(d)(4)

(iv)

4.1.9.1 A manual shutoff shall be provided outside the toxic

NFPA 55, 3.-1.3.b;

gas (see definition) and flammable/combustible

liquids storage areas adjacent to the entry door and

29CFR1910.106(d)(4)

shall be labeled "Ventilation System Emergency

(iv)

Shutoff."

4.1.9.2 Exhaust ventilation shall not be recirculated within

NFPA 55, 6.17.9

any room or building.

intend to direct which compatibility scheme should be used. Each site or facility must determine for itself which

compatibility scheme they will use to implement this requirement.