Labconco Protecto Ech Filtered Fume Hoods 183 Series 8' - Manuel (Page 176)

Appendix I: References
Product Service 1-800-522-7658 170
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
SEFA 9-2010
 Ductless Hood Filtration Categories
DH1 – Ductless hood with filters
DH2 – Ductless hood with filters up to filter breakthrough only
DH3 – Ductless hood with filters past primary breakthrough with secondary backup
filter protection
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