Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Occupational Health Standards › Part 700 - AGRICULTURE › Section R. 325.2418 - Maximum allowable concentrations for substances Q to Z

Current through Vol. 24-12, July 15, 2024
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.