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 47 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 |
| 1303862 |
boron oxide |
40 |
FINAL |
520 |
1 hr |
|
|
|
|
|
| 382218 |
perfluoroisobutylene |
|
FINAL |
0.8 |
1 hr |
|
|
|
|
|
| 121437 |
trimethoxyborine |
40 |
FINAL |
770 |
1 hr |
|
|
|
|
|
| 108656 |
propylene glycol monomethyl ether acetate |
|
FINAL |
5400 |
1 hr |
|
|
|
|
|
| 107982 |
propylene glycol monomethyl ether |
|
FINAL |
3700 |
1 hr |
|
|
|
|
|
| 107211 |
ethylene glycol |
|
FINAL |
4700 |
1 hr |
|
|
|
|
|
| 107415 |
hexylene glycol |
|
FINAL |
1210 |
1 hr |
|
|
|
|
|
| 107039 |
1-propanethiol |
|
FINAL |
16 |
1 hr |
|
|
|
|
|
| 78591 |
isophorone |
|
FINAL |
280 |
1 hr |
|
|
3.7 |
37 |
annual |
| 75081 |
ethyl mercaptan |
|
FINAL |
13 |
1 hr |
|
|
|
|
|
| 74931 |
methyl mercaptan |
|
FINAL |
10 |
1 hr |
|
|
|
|
|
| 64197 |
acetic acid |
|
FINAL |
1200 |
1 hr |
|
|
|
|
|
| 0 |
biosam tp-1.5 |
4 |
FINAL |
0.02 |
1 hr |
|
|
|
|
|
| 64175 |
ethyl alcohol |
|
FINAL |
19000 |
1 hr |
|
|
|
|
|
| 62759 |
n-nitrosodimethylamine |
|
FINAL |
|
|
|
|
0.00007 |
0.0007 |
annual |
| 60571 |
dieldrin |
|
FINAL |
|
|
|
|
0.0002 |
0.002 |
annual |
| 57410 |
phenytoin |
|
FINAL |
|
|
|
|
0.07 |
0.7 |
annual |
| 57976 |
7,12-dimethylbenz(a)anthracene |
5 |
FINAL |
|
|
|
|
|
|
|
| 56495 |
3-methylcholanthrene |
5 |
FINAL |
|
|
|
|
|
|
|
| 56553 |
benz(a)anthracene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 53703 |
dibenz(a,h)anthracene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 50293 |
ddt |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 65850 |
benzoic acid |
26 |
FINAL |
|
|
|
|
|
|
|
| 67663 |
chloroform |
|
FINAL |
|
|
|
|
0.4 |
4 |
annual |
| 72548 |
DDD (TDE) |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
|
|
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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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