Mich. Admin. Code R. 325.60155
Rule 5. Table 1 for substances A and B, are as follows:
TABLE 1 MAXIMUM ALLOWABLE CONCENTRATIONS FOR SUBSTANCES; A AND B | |||||
SUBSTANCE | CAS No.1 | MAC/Ceiling/STEL | |||
ppm | mg/m3 | ||||
Abate | 3383-96-8 | --- | 15 | ||
Acetaldehyde | 75-07-0 | 200 | 360 | ||
Acetic acid | 64-19-7 | 10 | 25 | ||
Acetic anhydride | 108-24-7 | 5 | 20 | ||
Acetone | 67-64-1 | 1,000 | 2,400 | ||
Acetonitrile | 75-05-8 | 40 | 70 | ||
Acetylene | Inert gas | ||||
Acetylene dichloride | See 1,2-Dichloroethylene | ||||
Acetylene tetrabromide | 79-27-6 | 1 | 14 | ||
Acrolein | 107-02-8 | 0.1 | 0.25 | ||
S | Acrylamide | 79-06-1 | --- | 0.3 | |
S | Acrylonitrile | See GI & CS 307. Acrylonitrile* | |||
S | Aldrin | 309-00-2 | --- | 0.25 | |
S | Allyl alcohol | 107-18-6 | 2 | 5 | |
Allyl chloride | 107-05-1 | 1 | 3 | ||
C | Allyl glycidyl ether (AGE) | 106-92-3 | 10 | 45 | |
Allyl propyl disulfide | 2179-59-1 | 2 | 12 | ||
Alundum (Al203) | Inert dust | ||||
2-Aminoethanol | See Ethanolamine | ||||
2-Aminopyridine | 504-29-0 | 0.5 | 2 | ||
Ammonia | 7664-41-7 | 50 | 35 | ||
Ammonium sulfamate (amate) | 7773-06-0 | --- | 15 | ||
n-Amyl acetate | 628-63-7 | 100 | 525 | ||
sec-Amyl acetate | 626-38-0 | 125 | 650 | ||
S | Aniline | 62-53-3 | 5 | 19 | |
S | Anisidine (o- and p-isomers) | 29191-52-4 | --- | 0.5 | |
Antimony and compounds (as Sb) | 7440-36-0 | --- | 0.5 | ||
ANTU (alpha naphthylthiourea) | 86-88-4 | --- | 0.3 | ||
Argon | Inert gas | ||||
Arsenic, inorganic compounds | See GI & CS 308. Inorganic Arsenic* | ||||
Arsenic, organic compounds (as As) | 7440-38-2 | --- | 0.5 | ||
Arsine | 7784-42-1 | 0.05 | 0.2 | ||
S | Azinphos-methyl | 86-50-0 | --- | 0.2 | |
Barium (soluble compounds) | 7440-39-3 | --- | 0.5 | ||
Benzene (benzol) | See GI & CS 311. Benzene* | ||||
A, S | Benzidine | 92-87-5 | --- | --- | |
p-Benzoquinone | See Quinone | ||||
Benzoyl peroxide | 94-36-0 | --- | 5 | ||
Benzyl chloride | 100-44-7 | 1 | 5 | ||
MAC/Ceiling/STEL | |||||
ppm | STEL | MAC | |||
mg/m3 | mg/m3 | ||||
Beryllium and beryllium compounds (as Be) | 7440-41-7 | --- | 0.0002 (0.2 [MICRO]g/m3) | ||
STEL | Beryllium and beryllium compounds (as Be) | 7440-41-7 | 0.002 (2.0 [MICRO]g/m3) | ||
Biphenyl | See Diphenyl | ||||
Bisphenol A | See Diglycidyl ether | ||||
SUBSTANCE | CAS No.1 | MAC/Ceiling/STEL | |||
ppm | mg/m3 | ||||
Boron oxide | 1303-86-2 | --- | 15 | ||
Boron tribromide | 10294-33-4 | 1 | 10 | ||
C | Boron trifluoride | 7637-07-2 | 1 | 3 | |
Bromine | 7726-95-6 | 0.1 | 0.7 | ||
Bromine pentafluoride | 7789-30-2 | 0.1 | 0.7 | ||
S | Bromoform | 75-25-2 | 0.5 | 5 | |
Butadiene (1,3-butadiene) | See OH 312. 1,3-Butadiene* | ||||
Butanethiol | See Butyl mercaptan | ||||
2-Butanone | 78-93-3 | 200 | 590 | ||
S | 2-Butoxy ethanol (butyl cellosolve) | 111-76-2 | 50 | 240 | |
Butyl acetate (n-butyl acetate) | 123-86-4 | 150 | 710 | ||
sec-Butyl acetate | 105-46-4 | 200 | 950 | ||
tert-Butyl acetate | 540-88-5 | 200 | 950 | ||
Butyl alcohol | 71-36-3 | 100 | 300 | ||
sec-Butyl alcohol | 78-92-2 | 150 | 450 | ||
tert-Butyl alcohol | 75-65-0 | 100 | 300 | ||
S, C | Butylamine | 109-73-9 | 5 | 15 | |
tert-Butyl chromate (as Cr+6) | See OH 604. Chromium (VI) in Construction*, ** | ||||
n-Butyl glycidyl ether (BGE) | 2426-08-6 | 50 | 270 | ||
Butyl mercaptan | 109-79-5 | 0.5 | 1.5 | ||
p-tert-Butyltoluene | 98-51-1 | 10 | 60 | ||
1 | The CAS number is for information only. Enforcement is based on the substance name. For an entry covering more than 1 metal compound measured as the metal, the CAS number for the metal is given - not the CAS number for the individual compounds. | ||||
A | See R 325.60154(2)(a). | ||||
C | See R 325.60154(2)(b). | ||||
S | See R 325.60154(2)(c). | ||||
STEL | See R 325.60154(2)(d). | ||||
* | Caution--these rules contain extensive requirements for exposure to these substances. | ||||
** | If the exposure limit in OH 604. Chromium (VI) in Construction is stayed or is otherwise not in effect, the exposure limit is a ceiling of 0.1 mg/m3 and has an "S" notation. | ||||
All MIOSHA Standards shown in this table are referenced in R 325.60151. | |||||
Mich. Admin. Code R. 325.60155