User guide

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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
[phone]
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.
24
th
Edition, 2001
American Conference of Governmental Industrial
Hygienists
1330 Kemper Meadow drive
Cincinnati, OH 45240-1634
[phone]