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 5 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 |
| 127184 |
tetrachloroethylene |
13 |
FINAL |
40 |
annual |
1400 |
24 hr |
4 |
40 |
annual |
| 20536167 |
tetrachlorodisilane |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 136470 |
tetracaine hyrochloride |
|
FINAL |
0.3 |
annual |
|
|
|
|
|
| 2157451 |
tetra-2-methoxyethoxy-silane |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 994058 |
tertiary amyl methyl ether |
|
FINAL |
62 |
24 hr |
|
|
|
|
|
| 98066 |
tert-butylbenzene |
|
FINAL |
10 |
annual |
|
|
|
|
|
| 1333137 |
tert-butyl-m-cresol |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 75650 |
tert-butyl alcohol |
|
FINAL |
|
|
|
|
7 |
70 |
annual |
| 540885 |
tert-butyl acetate |
15 |
FINAL |
2400 |
8 hr |
|
|
|
|
|
| 68131408 |
tergitol 15-s-3 |
|
FINAL |
290 |
annual |
|
|
|
|
|
| 61790338 |
tallow alkylamines |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 14807966 |
talc |
|
FINAL |
|
|
|
|
0.8 |
8 |
annual |
| 1643192 |
t-n-butyl ammonium bromide |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 9014920 |
t-det dd-14 |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 3006824 |
t-butylperoxy-2-ethylhexanoate |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 2160932 |
t-butyldiethanolamine |
|
FINAL |
9 |
annual |
|
|
|
|
|
| 98293 |
t-butylcatechol |
|
FINAL |
9 |
annual |
|
|
|
|
|
| 4620706 |
t-butylaminoethanol |
|
FINAL |
5 |
annual |
|
|
|
|
|
| 75649 |
t-butylamine |
|
FINAL |
60 |
annual |
|
|
|
|
|
| 107711 |
t-butyl peroxyacetate |
|
FINAL |
0.06 |
annual |
|
|
|
|
|
| 64741862 |
sweetened middle distillate |
1 |
FINAL |
2 |
annual |
|
|
|
|
|
| 68516165 |
sulfuric acid c6-10 alkyl esters |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 7664939 |
sulfuric acid |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 7446119 |
sulfur trioxide |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 7704349 |
sulfur (elemental) |
26 |
FINAL |
|
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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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