Appendix F: Filtration Efficiency Test Results
Product Service 1-800-522-7658
71
3' Paramount Model #6963300
Acetone (Reagent Grade) Test 9/10/08
SEFA 9 Method
0
0.5
1
1.5
2
2.5
3
0 20 40 60 80 100 120 140 160 180
Mass Adsorbed (grams) Acetone
Acetone Exhaust Concentration (ppm)
Acetone
Exposure limit
250 ppm
Temp. 22° C
Hum. 41%
175 CFM
80 fpm face
Evaporation by
heated container
verage evaporation
rate 0.32 ml/min. 21.9
ppm inlet conc.
30# carbon 4x8
coconut shell
Test time 11.25 hrs.
400 ppm current TLV
PID detector
1-2 ppm
Breakthrough with
153 grams filtration
capacity