Air Sampling Procedures For Chemicals Contaminants (continued)
Chemical
Sampling Method and
Sampling
Sample Volume in
Contaminant
Rate* Per
Collecting Medium
Liters**
Minute
Minimum
Maximum
ORBO-80 tube
1 liter
15
Toluene
disocyanate
(TDI)
40
5
50-500 ml
Trichloroe-
200/400-mg charcoal
or
ethylene
tube
OR
--
--
1-8 hr
passive monitor
50/100 mg TenaxR ******
1 liter
15
50
Trinitrotoluene
(TNT)
tube (For extremely
dusty operations use a
37 mm glass fiber
prefilter)
1-2 liters
400
1000
Filter, closed face with
Welding
spacer, pre-weighed
Fumes
(PVC 5.0 um filter)
(total fume)
For metal analysis
Welding
see specific metal
fumes
(metals)
40
5
50-500 ml
Xylene
200/400 mg charcoal
or
tube
OR
--
--
1-8 hr
passive monitor
1-3 liters
15
400
Zinc
Filter cassette, closed
face with spacer (CE
Compounds
0.8 um filter) submit
three blank filters
******Chromos orb is a registered trademark of Johns-Manville Products Corp.,
Denver, CO.
Dursban is a registered trademark of Dow Chemical Co, Midland, MI.
ORBOR is a registered trademark of Sup Alco, Inc., Supelco Park, Bellefole, PA.
XAD-2 is a registered trademark of Rohn & Haas, Philadelphia, PA.
MIRAN is a registered trademark of Foxboro Analytical, South Norwalk, CT.
Tenax is a registered trademark of Gic-Enka N.V., The Netherlands.
END OF APPENDIX D
MD0165
D-10