Mich. Admin. Code R. 325.60158
Rule 8. Table 4 for substances I to M, are as follows:
TABLE 4 MAXIMUM ALLOWABLE CONCENTRATIONS FOR SUBSTANCES; I TO M | ||||
SUBSTANCE | CAS No.1 | MAC/Ceiling/STEL | ||
ppm | mg/m3 | |||
Indene | 95-13-6 | 10 | 45 | |
Indium and compounds (as In) | 7440-74-6 | --- | 0.1 | |
C | Iodine | 7553-56-2 | 0.1 | 1 |
Iron oxide fume | 1309-37-1 | --- | 10 | |
Iron salts, soluble (as Fe) | Varies with compound | --- | 1 | |
Isoamyl acetate | 123-92-2 | 100 | 525 | |
Isoamyl alcohol | 123-51-3 | 100 | 360 | |
Isobutyl acetate | 110-19-0 | 150 | 700 | |
Isobutyl alcohol | 78-83-1 | 100 | 300 | |
Isophorone | 78-59-1 | 25 | 140 | |
Isopropyl acetate | 108-21-4 | 250 | 950 | |
Isopropyl alcohol | 67-63-0 | 400 | 980 | |
Isopropylamine | 75-31-0 | 5 | 12 | |
Isopropyl ether | 108-20-3 | 500 | 2,100 | |
Isopropyl glycidyl ether (IGE) | 4016-14-2 | 50 | 240 | |
Kaolin | Inert dust | |||
Ketene | 463-51-4 | 0.5 | 0.9 | |
Lead and lead compounds | See CS 603. Lead Exposure in Construction* | |||
Limestone | 1317-65-3 | Inert dust | ||
S | Lindane | 58-89-9 | --- | 0.5 |
Lithium hydride | 7580-67-8 | --- | 0.025 | |
L.P.G. (Liquified petroleum gas) | 68476-85-7 | 1,000 | 1,800 | |
Magnesite | 546-93-0 | Inert dust | ||
Magnesium oxide fume | 1309-48-4 | 15 | ||
S | Malathion | 121-75-5 | --- | 15 |
Maleic anhydride | 108-31-6 | 0.25 | 1 | |
C | Manganese and compounds (as Mn) | 7439-96-5 | --- | 5 |
Marble | 1317-65-3 | Inert dust | ||
S | Mercury | 7439-97-6 | --- | 0.1 |
S | Mercury (organic compounds) | Varies with compound | --- | 0.01 |
Mesityl oxide | 141-79-7 | 25 | 100 | |
Methane | Inert gas | |||
Methanethiol | See Methyl mercaptan | |||
Methoxychlor | 72-43-5 | --- | 15 | |
2-Methoxyethanol | See Methyl cellosolve | |||
Methyl acetate | 79-20-9 | 200 | 610 | |
Methyl acetylene (propyne) | 74-99-7 | 1,000 | 1,650 | |
Methyl acetylene-propadiene mixture (MAPP) | - | 1,000 | 1,800 | |
S | Methyl acrylate | 96-33-3 | 10 | 35 |
Methylal (dimethoxymethane) | 109-87-5 | 1,000 | 3,100 | |
Methyl alcohol (methanol) | 67-56-1 | 200 | 260 | |
Methylamine | 74-89-5 | 10 | 12 | |
Methyl amyl alcohol | See Methyl isobutyl carbinol | |||
Methyl (n-amyl) ketone (2-heptanone) | 110-43-0 | 100 | 465 | |
S, C | Methyl bromide | 74-83-9 | 20 | 80 |
Methyl butyl ketone | See 2-Hexanone | |||
S | Methyl cellosolve | 109-86-4 | 25 | 80 |
S | Methyl cellosolve acetate | 110-49-6 | 25 | 120 |
C | Methyl chloride | 74-87-3 | 100 | 210 |
Methyl chloroform | 71-55-6 | 350 | 1,900 | |
Methylcyclohexane | 108-87-2 | 500 | 2,000 | |
Methylcyclohexanol | 25639-42-3 | 100 | 470 | |
S | o-Methylcyclohexanone | 583-60-8 | 100 | 460 |
Methylenedianiline (MDA) | See CS 605. Methylenedianiline (MDA) in Construction* | |||
Methyl ethyl ketone (MEK) | See 2-Butanone | |||
Methyl formate | 107-31-3 | 100 | 250 | |
S | Methyl iodide | 74-88-4 | 5 | 28 |
Methyl isoamyl ketone | 110-12-3 | 100 | 475 | |
S | Methyl isobutyl carbinol | 108-11-2 | 25 | 100 |
Methyl isobutyl ketone | See Hexone | |||
S | Methyl isocyanate | 624-83-9 | 0.02 | 0.05 |
Methyl mercaptan | 74-93-1 | 0.5 | 1 | |
Methyl methacrylate | 80-62-6 | 100 | 410 | |
Methyl propyl ketone | See 2-Pentanone | |||
C | Methyl silicate | 681-84-5 | 5 | 30 |
C | alpha-Methyl styrene | 98-83-9 | 100 | 480 |
C | Methylene bisphenyl isocyanate (MDI) | 101-68-8 | 0.02 | 0.2 |
Methylene chloride (dichloromethane) | See OH 313. Methylene Chloride* | |||
Molybdenum | ||||
Soluble compounds | 7439-98-7 | --- | 5 | |
Insoluble compounds | --- | 15 | ||
S | Monomethyl aniline | 100-61-8 | 2 | 9 |
S, C | Monomethyl hydrazine | 60-34-4 | 0.2 | 0.35 |
S | Morpholine | 110-91-8 | 20 | 70 |
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. | |||
All MIOSHA Standards shown in this table are referenced in R 325.60151. | ||||
Mich. Admin. Code R. 325.60158