Labconco Protector 3930000 User Manual page 82

Appendix E:
References on Ventilation,
Safety, Occupational Hazards,
Biosafety & Decontamination
Many excellent reference texts and booklets are currently available. The
following is a brief listing:
Laboratory Ventilation Standards
Federal Register 29 CFR Part 1910
Non-mandatory recommendations from "Prudent Practices."
 Fume hoods should have a continuous monitoring device
 Face velocities should be between 60-100 linear feet per minute (lfpm)

Average 2.5 linear feet of hood space per person
Occupational Health and Safety
U.S. Department of Labor
200 Constitution Avenue N.W.
Washington, DC 20210
(202) 523-1452
www.osha.gov
Industrial Ventilation-ACGIH

Fume hood face velocities between 60-100 lfpm

Maximum of 125 lfpm for radioisotope hoods

Duct velocities of 1000-2000 fpm for vapors, gasses and smoke

Stack discharge height 1.3-2.0 x building height

Well designed fume hood containment loss, <0.10 ppm
Industrial Ventilation, A Manual of Recommended Practice.
th
24 Edition, 2001
American Conference of Governmental Industrial Hygienists
1330 Kemper Meadow drive
Cincinnati, OH 45240-1634
(513) 742-2020
www.acgih.org
78 Product Service 1-800-522-7658