A
A
P
P
E
N
P
P
E
N
R
R
E
F
E
R
E
E
F
E
R
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.
th
24
Edition, 2001
American Conference of Governmental Industrial
Hygienists
1330 Kemper Meadow drive
Cincinnati, OH 45240-1634
(513) 742-2020
Product Service 1-800-522-7658
D
D
D
I
X
D
I
X
N
C
E
S
E
N
C
E
S
57
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