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NOTE:
See important warnings, definitions, and explanation of column headings and abbreviations starting on page 1.
73
Chemical Name
CAS # Synonym
IDLH
(ppm)
OEL
(ppm)
R
e
spirator
(
Exposures < both
A
PF x OEL and IDLH)
C
omments
2-Mercaptobenzo-
thiazole
149-30-4
2-Benzothiazolethiol,
2-Benzothiazolylmercaptan,
Benzothiazole-2-thione,
Mercaptobenzothiazole
TWA=5 mg/m
3
(AIHA)
-skin-
N95
Mercaptoethanol
60-24-2
1-Hydroxy-2-mercaptoethane,
2-Hydroxy-1-ethanethiol,
2-Hydroxyethylmercaptan,
2ME, 2-Mercaptoethanol,
2-Thioethanol,
Thioethyleneglycol, Thioglycol
TWA=0.2 (AIHA) OV
Mercury, alkyl
compounds (as Hg)
10 mg/m
3
TWA=0.01 mg/m
3
-skin-
OV
Mercury, aryl
compounds (as Hg)
28 mg/m
3
TWA=0.1 mg/m
3
-skin-
N95 Dust with essentially no
vapor pressure only
Mercury, inorganic
compounds (as Hg)
28 mg/m
3
TWA=0.025 mg/m
3
-skin-
N95
Dust with essentially
no vapor pressure
only. Hg/N95 for
volatile liquids
Mercury, metallic
mercury vapor
7439-97-6
Hg, Quicksilver 28 mg/m
3
TWA=0.025 mg/m
3
-skin-
Hg
-skin-
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