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 26 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 |
| 509148 |
tetranitromethane |
|
FINAL |
0.4 |
8 hr |
|
|
0.000066 |
0.00066 |
annual |
| 50791872 |
methylvinylbis(N-methylace |
|
FINAL |
4 |
annual |
|
|
|
|
|
| 505486 |
suberic acid |
|
FINAL |
17 |
annual |
|
|
|
|
|
| 50328 |
benzo(a)pyrene |
5 |
FINAL |
0.002 |
24 hr |
|
|
0.001 |
0.01 |
annual |
| 50293 |
ddt |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 50282 |
estradiol |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 50215 |
lactic acid |
|
FINAL |
7 |
annual |
|
|
|
|
|
| 50033 |
hydrocortisone acetate |
|
FINAL |
15 |
annual |
|
|
|
|
|
| 50000 |
formaldehyde |
|
FINAL |
30 |
24 hr |
|
|
0.08 |
0.8 |
annual |
| 4994165 |
4-phenylcyclohexene |
|
FINAL |
33 |
annual |
|
|
|
|
|
| 4719044 |
1,3,5-triazine-1,3,5(2h,4h,6h)-triethanol |
|
FINAL |
0.015 |
annual |
|
|
|
|
|
| 4652271 |
4-methoxy-3-buten-2-one |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 46438395 |
monobutyl monophenyl phosphoric acid |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 463581 |
carbonyl sulfide |
|
FINAL |
9 |
annual |
|
|
|
|
|
| 4620706 |
t-butylaminoethanol |
|
FINAL |
5 |
annual |
|
|
|
|
|
| 461585 |
cyanoguanidine |
26 |
FINAL |
|
|
|
|
|
|
|
| 460731 |
1,1,1,3,3-pentafluoropropane |
|
FINAL |
2000 |
annual |
|
|
|
|
|
| 44992010 |
acryloyloxyethyltrimethyl ammonium chloride |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 4444671 |
di-sec-butylamine |
|
FINAL |
417 |
annual |
|
|
|
|
|
| 4435534 |
butoxyl |
|
FINAL |
14 |
annual |
|
|
|
|
|
| 4420740 |
3-mercaptopropyltrimethoxysilane |
|
FINAL |
2.4 |
annual |
|
|
|
|
|
| 431890 |
hfc-227ea |
13 |
FINAL |
130000 |
annual |
5560000 |
1 hr |
|
|
|
| 431038 |
diacetyl |
|
FINAL |
0.2 |
8 hr |
|
|
|
|
|
| 42978665 |
tripropylene glycol diacrylate |
|
FINAL |
22 |
annual |
|
|
|
|
|
| 4253343 |
methyltriacetoxysilane |
|
FINAL |
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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