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Michigan Administrative Code (Last Updated: November 16, 2016) |
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Department LR. Licensing and Regulatory Affairs |
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MIOSHA |
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Chapter Part 601. Air Contaminants for Construction |
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Part 601. AIR CONTAMINANTS FOR CONSTRUCTION |
Section 325.60155. Maximum allowable concentrations for substances; A and B.
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Rule 5. Table 1. Substances A and B
TABLE 1
Substance
MAC/Ceiling/STEL
ppm
mg/m3
Abate
---
15
Acetaldehyde
200
360
Acetic acid
10
25
Acetic anhydride
5
20
Acetone
1,000
2,400
Acetonitrile
40
70
Acetylene
Inert gas
Acetylene dichloride, see 1,2-Dichloroethylene
Acetylene tetrabromide
1
14
Acrolein
0.1
0.25
S
Acrylamide
---
0.3
SAcrylonitrile, see OH Part 307, R 325.51501 to R 325.51527*
S
Aldrin
---
0.25
S
Allyl alcohol
2
5
Allyl chloride
1
3
C
Allyl glycidyl ether (AGE)
10
45
Allyl propyl disulfide
2
12
Alundum (Al203)
Inert dust
2-Aminoethanol, see Ethanolamine
2-Aminopyridine
0.5
2
Ammonia
50
35
Ammonium sulfamate (amate)
---
15
n-Amyl acetate
100
525
sec-Amyl acetate
125
650
S
Aniline
5
19
S
Anisidine (o,p-isomers)
---
0.5
Antimony & compounds (as Sb)
---
0.5
ANTU (alpha naphthyl thiourea)
---
0.3
Argon
Inert gas
Arsenic, inorganic compounds, see OH Part 308, R 325.51601 to R 325.51628*
Arsenic, organic compounds (as As)
---
0.5
Arsine
0.05
0.2
S
Azinphos-methyl
---
0.2
Barium (soluble compounds)
---
0.5
Benzene (benzol), see OH Part 311, R 325.77101 to R 325.77115*
A,S
Benzidine
---
---
p-Benzoquinone, see Quinone
Benzoyl peroxide
---
5
Benzyl chloride
1
5
Beryllium
---
0.002
Biphenyl, see Diphenyl
Bisphenol A, see Diglycidyl ether
Boron oxide
---
15
Boron tribromide
1
10
C
Boron trifluoride
1
3
Bromine
0.1
0.7
Bromine pentafluoride
0.1
0.7
S
Bromoform
0.5
5
Butadiene (1,3-butadiene), see OH Part 312, R 325.50091 to R 325.50092*
Butanethiol, see Butyl mercaptan
2-Butanone
200
590
S
2-Butoxy ethanol (butyl cellosolve)
50
240
Butyl acetate (n-butyl acetate)
150
710
sec-Butyl acetate
200
950
tert-Butyl acetate
200
950
Butyl alcohol
100
300
sec-Butyl alcohol
150
450
tert-Butyl alcohol
100
300
S,C
Butylamine
5
15
tert-Butyl chromate (as Cr+6), See OH Part 604, R 325.51995 to R 325.51997*, **
---
---
n-Butyl glycidyl ether (BGE)
50
270
Butyl mercaptan
0.5
1.5
p-tert-Butyltoluene
10
60
A --- See
R 325.60154(2)(a).C --- See R 325.60154(2)(b).
S --- See R 325.60154(2)(c).
* Caution--these rules contain extensive requirements for exposure to these substances.
** If the exposure limit in 29 C.F.R. §1926.1126 (adopted by reference in OH Part 604, R 325.51995 to R 325.51997) is stayed or is otherwise not in effect, the exposure limit is a ceiling of 0.1 mg/m3 and has an "S" notation.
History: 2002 AACS; 2013 AACS.