Labconco Class I Enclosure Models 3980423 - Manual (Page 76)

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NFPA 45 – 2002 Fire Protection for Laboratories Using Chemicals

Laboratory hoods should not be relied on for explosion protection

Exhaust air from fume hoods should not be recirculated

Services should be external to the hood

Canopy hoods only for non-hazardous applications

Materials of construction should have flame spread of 25 or less

80 to 120 fpm to prevent escape
NFPA 30 – 2000 Flammable and Combustible Liquids Code

Approved cabinets may be metal or wood

Vent location on cabinets are required

Venting of cabinets not a requirement
National Fire Protection Association
1 Batterymarch Park
P.O. Box 9101
Quincy, MA 02269-9101
(800) 344-3555
www.nfpa.org
General References
American Conference of Governmental Industrial Hygienists. Industrial Ventilation, A
Manual of Recommended Practice, Cincinnati, OH
ASHRAE Standard Committee. ASHRAE Standard Atlanta: ASHRAE Publications Sales
Department, 1995
British Standards Institution, Laboratory Fume Cupboards. Parts 1, 2 and 3, London: 1990
Department of Labor, Occupational Safety and Health Administration, 29 CFR Part 1910,
Occupational Exposures to Hazardous Chemicals in Laboratories, Final Rule. Vol. 55,
No. 21. Washington D.C.:1990
DiBerardinis. L. et al. Guides for Laboratory Design, Health and Safety Considerations.
Wiley & Sons, 1987
McDermott, Henry, Handbook of Ventilation for Contaminant Control, 2
nd Edition.
Butterworth Publishers, 1985.
Miller, Brinton M. et al. Laboratory Safety: Principles and Practices. American Society
for Microbiology, Washington, D.C.: 1986
NIH Guidelines for the Laboratory Use of Chemical Carcinogens. NIH Publication No.
81-2385.
Rayburn, Stephen R. The Foundation of Laboratory Safety, A Guide for the Biomedical
Laboratory. Springer-Verlag, New York: 1990