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 2 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 |
| 97881 |
n-butyl methacrylate |
|
FINAL |
569 |
annual |
|
|
|
|
|
| 97869 |
isobutyl methacrylate |
|
FINAL |
600 |
annual |
|
|
|
|
|
| 97858 |
isobutyl isobutyrate |
|
FINAL |
300 |
annual |
|
|
|
|
|
| 97658805 |
5-bp-bisenamine |
|
FINAL |
10 |
annual |
|
|
|
|
|
| 97643 |
ethyl lactate |
|
FINAL |
20 |
annual |
|
|
|
|
|
| 96800 |
diisopropylaminoethanol |
|
FINAL |
4 |
annual |
|
|
|
|
|
| 96491 |
ethylene carbonate |
|
FINAL |
30 |
annual |
|
|
|
|
|
| 96480 |
gamma-butyrolactone |
|
FINAL |
280 |
24 hr |
|
|
|
|
|
| 96479 |
2-methyltetrahydrofuran |
|
FINAL |
420 |
annual |
|
|
|
|
|
| 96457 |
ethylene thiourea |
|
FINAL |
0.28 |
annual |
|
|
0.01 |
0.1 |
annual |
| 96377 |
methylcyclopentane |
|
FINAL |
700 |
24 hr |
|
|
|
|
|
| 96333 |
methyl acrylate |
|
FINAL |
70 |
annual |
|
|
|
|
|
| 96297 |
methylethylketoxime |
|
FINAL |
|
|
|
|
2.5 |
25 |
annual |
| 96231 |
1,3-dichloro-2-propanol |
|
FINAL |
3 |
annual |
|
|
0.07 |
0.7 |
annual |
| 96184 |
1,2,3-trichloropropane |
|
FINAL |
0.3 |
annual |
|
|
|
|
|
| 96173 |
2-methylbutyraldehyde |
|
FINAL |
700 |
annual |
|
|
|
|
|
| 96140 |
3-methylpentane |
|
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 96128 |
dibromochloropropane |
|
FINAL |
0.2 |
24 hr |
|
|
0.0001 |
0.001 |
annual |
| 95954 |
2,4,5-trichlorophenol |
|
FINAL |
350 |
annual |
|
|
|
|
|
| 95943 |
1,2,4,5-tetrachlorobenzene |
|
FINAL |
1 |
annual |
|
|
|
|
|
| 95932 |
1,2,4,5-tetramethyl benzene |
|
FINAL |
20 |
annual |
|
|
|
|
|
| 95874 |
2,5-dimethylphenol |
|
FINAL |
0.7 |
annual |
|
|
|
|
|
| 95749 |
3-chloro-p-toluidine |
30 |
FINAL |
2 |
annual |
|
|
|
|
|
| 95658 |
3,4-dimethyl phenol |
|
FINAL |
3.5 |
annual |
|
|
|
|
|
| 95636 |
1,2,4-trimethylbenzene |
14 |
FINAL |
185 |
annual |
1200 |
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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