Labconco Protector XL Floor-Mounted (Walk-In) Laboratory Hoods 98606 User Manual
Page 68
64
Product Service 1-800-522-7658
Appendix D: References
ASHRAE 110-1995 Method of Testing Performance of
Fume Hoods
Evaluates fume hood’s containment characteristics
• Three part test: Smoke generation, Face velocity profile,
Tracer gas release @ 4 liters per minute
• Rated As Manufactured (AM), As Installed (AI) and As
Used (AU)
American Society of Heating, Refrigerating, and Air
Conditioning Engineers
1791 Tullie Circle N.E.
Atlanta, GA 30329
(404) 636-8400
ANSI Z9.5-1993 Laboratory Standard
Covers entire laboratory ventilation system.
• Vertical stack discharge @ 2000-3000 fpm
• New and remodeled hoods shall have a monitoring
device
• Ductless hoods should only be used with non-hazardous
materials
• Fume hood face velocities between 80-120 fpm
American Industrial Hygiene Association
2700 Prosperity Avenue, Suite 250
Fairfax, VA 22031
(703) 849-8888
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
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