Michigan Air Toxics System
Initial Threshold Screening Level/Initial Risk Screening Level (ITSL/IRSL)
Toxics Screening Level Query Results
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The results of your search are displayed below. Click any column heading to sort.
Click here to see descriptions of column headings.
If a number appears in the "notes" column for a given, chemical, see the definition on the bottom of this page.
It is possible to cut and paste the table below into a spreadsheet program for further manipulation. |
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Page 50 of 51 - 1275 record(s) matched your criteria |
| CAS Number |
Chemical Name |
Notes |
Status |
ITSL (μg/m3) |
Averaging Time |
Second ITSL (μg/m3) |
Second ITSL Avg Time |
IRSL
(μg/m3) |
SRSL
(μg/m3) |
Carc Avg Time |
| 79209 |
methyl acetate |
|
FINAL |
6100 |
8 hr |
|
|
|
|
|
| 79243 |
nitroethane |
|
FINAL |
60 |
annual |
|
|
|
|
|
| 79298 |
2,3-dimethylbutane |
|
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 79312 |
isobutyric acid |
|
FINAL |
0.9 |
annual |
|
|
|
|
|
| 77474 |
hexachlorocyclopentadiene |
|
FINAL |
0.2 |
annual |
|
|
|
|
|
| 77485 |
1,3-dibromo-5,5-dimethylhydantoin |
|
FINAL |
2 |
8 hr |
|
|
|
|
|
| 77587 |
dibutyl tin dilaurate |
|
FINAL |
5 |
8 hr |
|
|
|
|
|
| 77736 |
dicyclopentadiene |
|
FINAL |
1 |
annual |
|
|
|
|
|
| 77769 |
2,2-dimethoxypropane |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 77781 |
dimethyl sulfate |
|
FINAL |
0.5 |
8 hr |
|
|
|
|
|
| 77930 |
triethyl citrate |
|
FINAL |
290 |
annual |
|
|
|
|
|
| 78079 |
ethyltriethoxysilane |
|
FINAL |
44 |
annual |
|
|
|
|
|
| 78104 |
ethyl silicate |
|
FINAL |
850 |
8 hr |
|
|
|
|
|
| 78513 |
Tris (2-butoxyethyl) Phosphate |
|
FINAL |
8 |
annual |
|
|
|
|
|
| 75683 |
1-chloro-1,1-difluoroethane |
|
FINAL |
50000 |
annual |
|
|
|
|
|
| 75694 |
trichlorofluoromethane |
|
FINAL |
130 |
annual |
56200 |
1 hr |
|
|
|
| 75718 |
dichlorodifluoromethane |
|
FINAL |
330 |
annual |
49500 |
8 hr |
|
|
|
| 75752 |
methane sulfonic acid |
|
FINAL |
1.4 |
annual |
|
|
|
|
|
| 75763 |
tetramethylsilane |
|
FINAL |
1300 |
annual |
|
|
|
|
|
| 75774 |
trimethylchlorosilane |
|
FINAL |
6 |
annual |
|
|
|
|
|
| 75785 |
dimethyldichlorosilane |
|
FINAL |
1 |
annual |
3700 |
1 hr |
|
|
|
| 75796 |
methyltrichlorosilane |
|
FINAL |
109 |
annual |
|
|
|
|
|
| 75945 |
vinyltrichlorosilane |
|
FINAL |
7 |
annual |
|
|
|
|
|
| 76051 |
trifluoroacetic acid |
|
FINAL |
8 |
annual |
|
|
|
|
|
| 76131 |
1,1,2-trichloro-1,2,2-trifluoroethane |
|
FINAL |
19140 |
24 hr |
|
|
|
|
|
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Notes: For a list of notes which correspond to any numbers which may appear in the “Notes” column above, please follow this link.
https://www.michigan.gov/egle/-/media/Project/Websites/egle/Documents/Programs/AQD/toxics/itsl-irsl-screening-level-footnotes.pdf
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| For issues related to ITSL/IRSL database content, contact Doreen Lehner at lehnerD@michigan.gov or (517) 582-3779. |
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