Labconco 3980200 User Manual page 89

Appendix E: References
84
American Industrial Hygiene Association
2700 Prosperity Avenue, Suite 250
Fairfax, VA 22031
(703) 849-8888
www.aiha.org
SEFA 1-2002
Fume hood face velocities based on toxicity levels of
chemicals
Class A – 125 to 150 fpm
Class B – 80 to100 fpm
Class C – 75-to 80 fpm
Test method – face velocity profile and smoke
generation
Scientific Equipment & Furniture Association
1028 Duchess Drive
McLean, VA 22102
(703) 538-6007
www.sefalabs.com
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