Mich. Admin. Code R. 325.2418 - Maximum allowable concentrations for substances Q to Z

Rule 18. Table 6 reads as follows:

Table 6

MAC
Substance	ppm	mg/m3
Quinone	0.1	0.4
S RDX	---	1.5
Rhodium, metal fume, dusts, and insoluble compoun	ds
(as Rh)	---	0.1
Rhodium, soluble compounds (as Rh)	---	0.001
Ronnel	---	10
Rotenone (commercial)	---	5
Rouge	Inert dust
Selenium compounds (as Se)	---	0.2
Selenium hexafluoride	0.05	0.4
Silicon carbide	nert dust
Silver, metal and soluble compounds	---	0.01
S Sodium fluoroacetate (1080)	---	0.05
Sodium hydroxide	---	2
Starch	Inert dust
Stibine	0.1	0.5
Stoddard solvent	200	1,150
Strychnine	---	0.15
C Styrene monomer (phenylethylene)	100	420
Sucrose	Inert dust
Sulfur dioxide	5	13
Sulfur hexafluoride	1,000	6,000
Sulfuric acid	---	1
Sulfur monochloride	1	6
Sulfur pentafluoride	0.025	0.25
Sulfuryl fluoride	5	20
Systox, see Demeton[R]
2,4,5T	---	10
Tantalum	---	5
S TEDP	---	0.2
Teflon[R] decomposition products (maintain minimal air concentration)
Tellurium	---	0.1
Tellurium hexafluoride	0.02	0.2
S TEPP	---	0.05
C Terphenyls	1	9
1,1,1,2-Tetrachloro-2,2-difluoroethane	500	4,170
l,l,2,2-Tetrachloro-l,2-difluoroethane	500	4,170
S 1,1,2,2-Tetrachloroethane	5	35
Tetrachloroethylene, see Perch1oroethylene Tetrachloromethane, see Carbon tetrachloride
S Tetrachloronaphthalene	---	2
S Tetraethyl lead (as Pb)	---	0.075
Tetrahydrofuran	200	5 90
S Tetramethyl lead (THL) (as Pb)	--	0.150
S Tetramethyl succinonitrile	0.5	3
Tetranitromethane	1	8
S Tetryl (2,4,6-trinitrophenylmethylnitramine)	---	1.5
S Thallium, soluble compounds (as Tl)	---	0.1
Thiram	---	5
Tin (inorganic compounds, except SnH4 and Sn02)	---	2
(organic compounds)	---	0.1
Tin oxide	Inert p	larticulate
Titanium dioxide	Inert p	larticulate
Toluene (toluol)	200	750
C Toluene-2,4-diisocyanate	0.02	0.14
S o-Toluidine Toxaphene, see Chlorinated camphene	5	22
Tributyl phosphate	---	5
1,1,1-Trichloroethane, see Methyl chloroform
S 1,1,2-Trichloroethane	10	45
Trichloroethylene	100	535
Trichloromethane, see Chloroform
S Trichloronaphthalene	---	5
1,2,3-Trichloropropane	50	300
1,1,2-Trichloro-1,2,2-trifluoroethane	1,000	7600
Triethylamine	25	100
Trifluoromonobromomethane	1,000	6,100
Trimethyl benzene	25	120
2,4,6-Trinitrophenol, see Picric acid
2,4,6-Trinitrophenylmethylnitramine, see Tetryl
S Trinitrotoluene	---	1.5
Triorthocresyl phosphate	---	0.1
Triphenyl phosphate Tungsten and compounds (as W)	3
Insoluble	---	5
Soluble	---	1
Turpentine	100	560
Uranium (natural)
soluble & insoluble compounds (as U)	0.2
C Vanadium (V205 dust)	0.5
(V205 fume)	---	0.1
Vinyl benzene, see Styrene	---	0.1
C Vinyl chloride (see R 325.51401 et seq. *)
Vinyl cyanide, see Acrylonitrile
Vinyl toluene	100	480
Warfarin	0.1
Xylene (xylol)	100	435
S Xylidine	5	25
Yttrium	---	1
Zinc chloride fume	---	1
Zinc oxide fume	---	5
Zirconium compounds (as Zr)	---	5
A, C, and S See R 325.2412.
* Caution--these rules contain extensive requirements for exposure to these substances.

Notes

Mich. Admin. Code R. 325.2418

1979 AC; 2003 AACS