Air Sampling Procedures For Chemicals Contaminants (continued)
Chemical
Sampling Method and
Sampling Rate* Sample Volume in
Contaminant
Collecting Medium
Per Minute
Liters**
Minimum
Maximum
50-500 ml
25
40
Chloroform
200/400-mg charcoal
tube
1-4 liters
--
500
Chromic acid
Filter cassette, closed
mist
face with spacer (PVC
5.0 um filter) submit
three blank filters
1-3 liters
100
1000
Filter cassette, closed
face with spacer
(as dust or
(CE 0.8 um filter)
fume)
1-3 liters
60
1500
Copper
Filter cassette, closed
face with spacer
(CE 0.8 um filter)
260/250 mg Silica Gel
25
40
Cresols
50─500 ml
(cresylic
acid)
1.5 liters
20
90
Midget impinger (10 ml
Cyanide
of 0.2N sodium
(dust or
hydroxide (Transfer to a
fume)
plastic bottle after
collection)
1 liter
480
--
Diazinon
Specially constructed
glass sampling tubes
containing a glass fiber
filter and 2 sections of
XAD-2 resin
1.5 liters
160
200
Dieldrin
Filter cassette, closed
face (GF 37 mm)
7.5
40
50-500 ml
Dioxane
200/400 mg charcoal
or
tube
OR
90 min-8 hr
passive monitor
MD0165
D-4