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.
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Page 43 of 52 - 1277 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 |
| 100403 |
4-vinylcyclohexene |
|
FINAL |
4 |
8 hr |
|
|
|
|
|
| 4994165 |
4-phenylcyclohexene |
|
FINAL |
33 |
annual |
|
|
|
|
|
| 100027 |
4-nitrophenol |
|
FINAL |
0.7 |
annual |
|
|
|
|
|
| 622979 |
4-methylstyrene |
|
FINAL |
2 |
annual |
|
|
|
|
|
| 100061 |
4-methoxyacetophenone |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 4652271 |
4-methoxy-3-buten-2-one |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 65402655 |
4-hydroxytetramethyl piperadine free radical (4-oh-tempo) |
|
FINAL |
4 |
annual |
|
|
|
|
|
| 110888158 |
4-chloro-3-fluorobenzonitrile |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 56076201 |
4-chloro-2-ethoxy-6-fluoropyrimidine |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 103335542 |
4-aza acid |
|
FINAL |
17 |
annual |
|
|
|
|
|
| 19549805 |
4,6-dimethyl-2-heptanone |
19 |
FINAL |
0.1 |
annual |
|
|
|
|
|
| 27078757 |
4,6-difluoro-2-methoxypyrimidine |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 1074404 |
4,6-dichloro-2-methoxypyrimidine |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 40758654 |
4,6-dichloro-2-ethoxypyrimidine |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 5436215 |
4,4-dimethoxy-2-butanone |
|
FINAL |
20 |
annual |
|
|
|
|
|
| 28984692 |
4,4-(5h)-oxazoledimethanol, 2-(hepadecanyl) |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 101779 |
4,4'-methylene dianiline |
|
FINAL |
|
|
|
|
0.022 |
0.22 |
annual |
| 1761713 |
4,4'-diaminodicyclohexylmethane |
|
FINAL |
6 |
annual |
|
|
|
|
|
| 67812173 |
3-trimethoxysilyl propylmethyl methylphosphonate |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 108996 |
3-picoline |
|
FINAL |
80 |
annual |
|
|
|
|
|
| 108394 |
3-methylphenol |
30 |
FINAL |
100 |
8 hr |
|
|
|
|
|
| 96140 |
3-methylpentane |
|
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 589344 |
3-methylhexane |
|
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 56495 |
3-methylcholanthrene |
5 |
FINAL |
|
|
|
|
|
|
|
| 103429909 |
3-methoxy-3methyl-1butyl acetate |
|
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 [email protected] or (517) 582-3779. |
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