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Original instructions
A
PPENDIX
F
R
EFERENCES
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
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
(513) 742-2020
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