NFPA 45: Standard on Fire Protection for Laboratories Using Chemicals
Current Edition: 2011 Next Edition: 2015

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NFPA 45:
2011 Edition
Item #: 4511
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What is NFPA 45?
NFPA 45: Document Scope
1.1.1 This standard shall apply to laboratory buildings, laboratory units, and laboratory work areas whether located above or below grade in which chemicals, as defined, are handled or stored. 1.1.2 This standard shall not apply to the following: (1)* If conditions (a) and (b) exist, this standard shall not apply: (a) Laboratory units that contain less than or equal to 4 L (1 gal) of flammable or combustible liquid (b) Laboratory units that contain less than 2.2 standard m3 (75 scf) of flammable gas, not including piped-in low-pressure utility gas installed in accordance with NFPA 54, National Fuel Gas Code (2) Laboratories that are pilot plants (3) Laboratories that handle only chemicals with a hazard rating of zero or one, as defined by NFPA 704, Standard System for the Identification of the Hazards of Materials for Emergency Response, for all of the following: health, flammability, and instability (4) Laboratories that are primarily manufacturing plants (5) Incidental testing facilities (6) Physical, electronic, instrument, laser, or similar laboratories that use chemicals only for incidental purposes, such as cleaning (7) Laboratories that work only with radioactive materials, as covered by NFPA 801, Standard for Fire Protection for Facilities Handling Radioactive Materials (8) Laboratories that work only with explosive material, as covered by NFPA 495, Explosive Materials Code 1.1.3 This standard contains requirements, but not all-inclusive requirements, for handling and storage of chemicals where laboratory-scale operations are conducted and shall not cover the following: (1) The special fire protection required when handling explosive materials (See NFPA 495, Explosive Materials Code.) (2) The special fire protection required when handling radioactive materials

This standard provides basic requirements to protect life and property through prevention and control of fires and explosions involving the use of chemicals in laboratory-scale operations.

Official document scope
What does NFPA 45 address?

NFPA 45 applies to laboratory buildings, laboratory units, and laboratory work areas whether located above or below grade in which chemicals, as defined, are handled or stored. Criteria cover laboratory unit hazard classification, design, and construction; fire and explosion hazard protection; ventilating systems and chemical fume hoods; chemical storage, handling, and waste disposal; flammable and combustible liquids; compressed and liquefied gases; operations; and hazard identification.

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