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 3 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 |
| 111308 |
glutaraldehyde |
13 |
FINAL |
0.08 |
annual |
2 |
1 hr |
|
|
|
| 123911 |
1,4-dioxane |
|
FINAL |
100 |
annual |
7200 |
1 hr |
0.2 |
2 |
annual |
| 123922 |
isoamyl acetate |
|
FINAL |
2700 |
8 hr |
5300 |
1 hr |
|
|
|
| 1066359 |
dimethylchlorosilane |
36 |
FINAL |
52 |
annual |
5400 |
1 hr |
|
|
|
| 431890 |
hfc-227ea |
13 |
FINAL |
130000 |
annual |
5560000 |
1 hr |
|
|
|
| 7647010 |
hydrogen chloride |
13 |
FINAL |
20 |
annual |
2100 |
1 hr |
|
|
|
| 7664393 |
hydrogen fluoride |
13 |
FINAL |
14 |
annual |
240 |
1 hr |
|
|
|
| 7446119 |
sulfur trioxide |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 4109960 |
dichlorosilane |
36 |
FINAL |
28 |
annual |
2900 |
1 hr |
|
|
|
| 6192525 |
p-toluenesulfonic acid monohydrate |
9 13 |
FINAL |
1.9 |
annual |
230 |
1 hr |
|
|
|
| 7664939 |
sulfuric acid |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 10026047 |
silicon tetrachloride |
36 |
FINAL |
20 |
annual |
2000 |
1 hr |
|
|
|
| 75694 |
trichlorofluoromethane |
|
FINAL |
130 |
annual |
56200 |
1 hr |
|
|
|
| 8014957 |
oleum |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 15625895 |
Trimethyl propane triacrylate |
|
FINAL |
1 |
annual |
20 |
1 hr |
|
|
|
| 15821837 |
propylene glycol n-butyl ether (beta isomer) |
23 |
FINAL |
77 |
annual |
|
|
|
|
|
| 15956588 |
manganese 2-ethylhexanoate |
29 |
FINAL |
|
|
|
|
|
|
|
| 16065831 |
Chromium, trivalent |
|
FINAL |
5 |
8 hr |
|
|
|
|
|
| 16079882 |
1-bromo-3-chloro-5,5-dimethylhydantoin |
|
FINAL |
2 |
8 hr |
|
|
|
|
|
| 16369214 |
n-propylethanolamine |
|
FINAL |
28 |
annual |
|
|
|
|
|
| 16691433 |
3-amino-5-mercapto-1,2,4-triazole |
|
FINAL |
7 |
annual |
|
|
|
|
|
| 16753621 |
methylvinyldimethoxysilane |
|
FINAL |
100 |
annual |
|
|
|
|
|
| 16881779 |
methyldimethoxysilane |
|
FINAL |
92 |
annual |
|
|
|
|
|
| 16883833 |
1,3-pentanediol-2,2,4-trimethyl-3-(benzyl phthalate)-isobutyrate |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 16893859 |
sodium silicofluoride |
|
FINAL |
250 |
8 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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