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|
Public
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Industrial
|
|
|
EPA
|
ACGIHa
|
NIOSHb
|
OSHAc
|
European Standardsd
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|
Vapor Phase
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|
|
Carbon monoxide
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1 mg/m3—max. 8-h
40 mg/m3—max. 1-h
Neither to be exceeded more than once per year
|
TLVe—50 ppm
STELf—400 ppm
|
35 ppm—8 h TWAg
200 ppm ceilh (no min time)
|
50 ppm
|
West Germany—50 ppm
Sweden—35 ppm
|
|
Carbon dioxide
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None
|
TLV—5,000 ppm
STEL—30,000 ppm
|
10,000 ppm—10-h TWA
30,000 ppm—10-min ceil.
|
5,000 ppm
|
—
|
|
Benzene
|
None
|
TLV—10 ppm
A2
|
1 ppm—60-min ceil.
|
10 ppm
50 ppm—10-min ceil.
|
Sweden—10 ppm
West Germany—0 ppm
|
|
Toluene
|
None
|
TLV—100 ppm
STEL—150 ppm
|
100 ppm—10-h TWA
200 ppm—10-min ceil.
|
200 ppm
300 ppm ceil.
500 ppm—10-min peak
|
West Germany—200 ppm
Sweden—100 ppm
|
|
Formaldehyde
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None
|
TLV—1 ppm
A2
|
Lowest feasible limit
|
3 ppm
5 ppm ceil.
10 ppm—30-min ceil.
|
Sweden—2 ppm
West Germany—1 ppm
|
|
Acrolein
|
None
|
TLV—0.1 ppm
STEL—0.3 ppm
|
None
|
0.1 ppm
|
—
|
|
Acetone
|
None
|
TLV—750 ppm
STEL—1,000 ppm
|
250 ppm—10-h TWA
|
1,000 ppm
|
Sweden—500 ppm
Germany—1,000 ppm
|
|
Pyridine
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None
|
TLV—5 ppm
STEL—10 ppm
|
None
|
5 ppm
|
West Germany, Sweden—5 ppm
|
|
Hydrogen cyanide
|
None
|
Ceiling limiti—10 ppm
|
4.7 ppm—10-min ceil.
|
4.7 ppm
|
West Germany, Great Britain—10 ppm
|
