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Apply the latest rules to avoid fires and explosions!

Ensure the fire safe design and operation of instructional, educational, and industrial laboratories using chemicals with NFPA 45! This document outlines the maximum allowable quantities of liquids and gases, as well as requirements for laboratory ventilating systems and chemical fume hoods.

Revisions to the 2004 edition include:

• New requirement for all new laboratories to have an automatic fire extinguishing system
• Clarification of the scope that labs containing either the minimum quantity of flammable and combustible liquids or gas would qualify the lab for coverage under NFPA 45 .
• Clarification is also made that the minimum quantity of gas does not include low-pressure utility gas in accordance with NFPA 54 .
• New requirements defining and regulating pressurized liquid dispensing containers
• Expanded advisory material on biological safety cabinets and recognition of listed Class II, Type B2 biological safety cabinets in lieu of chemical fume hoods under certain circumstances
• Clarification of requirements for liquid dispensing
• Consolidation of all flammable and combustible liquids requirements into one chapter
• Expanded requirements and advisory information for compressed and liquefied gases.
• Maximum quantity requirements are clarified for outside cylinder storage.