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 1 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 |
| 999973 |
hexamethyldisilazane |
|
FINAL |
206 |
annual |
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| 99978 |
n,n-dimethyl-p-toluidine |
|
FINAL |
28 |
annual |
|
|
|
|
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| 99876 |
p-isopropyltoluene |
|
FINAL |
10 |
annual |
|
|
|
|
|
| 996350 |
dimethylisopropylamine |
|
FINAL |
200 |
annual |
|
|
|
|
|
| 994058 |
tertiary amyl methyl ether |
|
FINAL |
62 |
24 hr |
|
|
|
|
|
| 993077 |
trimethylsilane |
|
FINAL |
340 |
annual |
|
|
|
|
|
| 992949 |
methylsilane |
|
FINAL |
30 |
24 hr |
|
|
|
|
|
| 98967556 |
n-(2,6-difluorophenyl)-7-methyl-1h-1,2,4-triazolo(1,5a)pyrimidine-2-su |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 98967409 |
flumetsulam |
|
FINAL |
26 |
annual |
|
|
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| 98953 |
nitrobenzene |
|
FINAL |
9 |
annual |
|
|
0.025 |
0.25 |
annual |
| 98862 |
acetophenone |
|
FINAL |
490 |
8 hr |
|
|
|
|
|
| 98840 |
dl-alpha phenylethylamine |
|
FINAL |
3 |
annual |
|
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|
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|
| 98839 |
alpha-methyl styrene |
|
FINAL |
230 |
annual |
|
|
|
|
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| 98828 |
cumene |
|
FINAL |
400 |
annual |
|
|
0.1 |
1 |
annual |
| 98566 |
p-chlorobenzotrifluoride |
|
FINAL |
70 |
annual |
|
|
|
|
|
| 98516304 |
propanol, 1(or 2) ethoxy, acetate isoparaffinic petroleum hydrocarbon |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 98293 |
t-butylcatechol |
|
FINAL |
9 |
annual |
|
|
|
|
|
| 98179 |
m-trifluoromethylphenol |
|
FINAL |
0.08 |
annual |
|
|
|
|
|
| 98135 |
phenyltrichlorosilane |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 981340 |
betamethasone 11 |
|
FINAL |
17 |
annual |
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|
|
|
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| 98066 |
tert-butylbenzene |
|
FINAL |
10 |
annual |
|
|
|
|
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| 98011 |
furfural |
|
FINAL |
|
|
|
|
0.06 |
0.6 |
annual |
| 98000 |
furfuryl alcohol |
|
FINAL |
5 |
annual |
|
|
0.09 |
0.9 |
annual |
| 97994 |
tetrahydrofuryl methanol |
|
FINAL |
52 |
annual |
|
|
|
|
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| 97950 |
2-ethyl butanol |
|
FINAL |
40 |
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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