Labconco Protector XL Floor-Mounted (Walk-In) Laboratory Fume Hoods 1128 Series - Manuel (Page 68)

Appendix E: References
Product Service 1-800-522-7658 64
Original instructions
ANSI Z9.5-2011 Laboratory Standard
Covers entire laboratory ventilation system.

New and remodeled hoods shall have a monitoring device

Ductless hoods should only be used with non-hazardous materials
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

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
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