Mich. Admin. Code R. 325.2416

Current through Vol. 24-21, December 1, 2024
Section R. 325.2416 - Maximum allowable concentrations for substances I to M

Rule 16. Table 4 reads as follows:

Table 4

MAC
Substanceppmmg/m3
Indene 10 45
Indium and compounds (as In) --- 0.1
C Iodine 0.1 1
Iron oxide fume 10
Iron salts, soluble (as Fe) 1
Isoamyl acetate 100 525
Isoamyl alcohol 100 360
Isobutyl acetate 150 700
Isobutyl alcohol 100 300
Isophorone 25 140
Isopropyl acetate 250 950
Isopropyl alcohol 400 980
Isopropylamine 5 12
Isopropyl ether 500 2,100
Isopropyl glycidyl ether (IGE) 50 240
Kaolin Inert dust
Ketene 0.5 0.9
Lead --- 0.2
Lead arsenate --- 0.15
Limestone Inert dust
S Lindane --- 0.5
Lithium hydride --- 0.025
L.P.G. (liquified petroleum gas) 1,000 1,800
Magnesite Inert dust
Magnesium oxide fume --- 15
S Malathion -- 15
Maleic anhydride 0.25 1
C Manganese and compounds (as Mn) --- 5
Marble Inert dust
S Mercury --- 0.1
S Mercury (organic compounds) --- 0.01
Mesityl oxide 25 100
Methane Inert gas
Methanethiol, see Methyl mercaptan
Methoxychlor 2-Methoxyethanol, see Methyl cellosolve 15
Methyl acetate 200 610
Methyl acetylene (propyne) 1,000 1, 650
Methyl acetylene-propadiene mixture (MAPP) 1,000 1,800
S Methyl acrylate 10 35
Methyla1 (dimethoxymethane) 1,000 3,100
Methyl alcohol (methanol) 200 260
Methylamine Methyl amyl alcohol, see Methyl isobutyl carbinol 10 12
Methyl (n-amyl) ketone (2-heptanone) 100 4 65
S,C Methyl bromide Methyl butyl ketone, see 2-Hexanone 20 80
S Methyl cellosolve 25 80
S Methyl cellosolve acetate 25 120
C Methyl chloride 100 210
Methyl chloroform 350 1, 900
Methyleyelohexane 500 2,000
Methyleyelohexanol 100 470
S o-Methylcyclohexanone Methylenedianiline (MDA) (see R 325.51651 et seq. * Methyl ethyl ketone (MEK), see 2-Butanone 100) 4 60
Methyl formate 100 250
S Methyl iodide 5 28
Methyl isoanyl ketone 100 475
S Methyl isobutyl carbinol 25 100
Methyl isobutyl ketone, see Hexone
S Methyl isocyanate 0.02 0.05
Methyl mercaptan 0.5 1
Methyl methacrylate 100 410
Methyl propyl ketone, see 2-Pentanone
C Methyl silicate 5 30
C alpha-Methyl styrene 100 480
C Methylene bisphenyl isocyanate (MDI) 0.02 0.2
Methylene chloride (dichloromethane) (see R 325.51651 et seq. *)
Molybdenum (soluble compounds) --- 5
(insoluble compounds) --- 15
S Monomethyl aniline 2 9
S,C Monomethyl hydrazine 0.2 0.35
S Morpholine 20 70
A, C, and S See R 325.2412.
* Cautionthese rules contain extensive requirements for exposure to these substances.

Mich. Admin. Code R. 325.2416

1979 AC; 2003 AACS