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 4 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 |
| 105464 |
sec-butyl acetate |
15 |
FINAL |
2400 |
8 hr |
|
|
|
|
|
| 123864 |
n-butyl acetate |
15 |
FINAL |
2400 |
8 hr |
|
|
|
|
|
| 540885 |
tert-butyl acetate |
15 |
FINAL |
2400 |
8 hr |
|
|
|
|
|
| 110190 |
isobutyl acetate |
15 |
FINAL |
2400 |
8 hr |
|
|
|
|
|
| 123422 |
diacetone alcohol |
|
FINAL |
2375 |
8 hr |
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|
|
|
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| 110430 |
methyl n-amyl ketone |
|
FINAL |
2330 |
8 hr |
|
|
|
|
|
| 110123 |
methyl isoamy ketone |
|
FINAL |
2300 |
8 hr |
|
|
|
|
|
| 112072 |
ethylene glycol monobutyl ether acetate |
10 |
FINAL |
2200 |
annual |
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|
|
|
|
| 460731 |
1,1,1,3,3-pentafluoropropane |
|
FINAL |
2000 |
annual |
|
|
|
|
|
| 75092 |
methylene chloride |
13 |
FINAL |
2000 |
annual |
14000 |
1 hr |
60 |
600 |
annual |
| 1320678 |
propylene glycol monomethyl ether |
|
FINAL |
2000 |
annual |
|
|
|
|
|
| 110623 |
valeraldehyde |
|
FINAL |
1760 |
8 hr |
|
|
|
|
|
| 111900 |
diethylene glycol monoethyl ether |
|
FINAL |
1750 |
annual |
|
|
|
|
|
| 111762 |
2-butoxyethanol |
10 |
FINAL |
1600 |
annual |
|
|
|
|
|
| 111466 |
diethylene glycol |
|
FINAL |
1600 |
annual |
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|
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| 108838 |
diisobutyl ketone |
|
FINAL |
1500 |
8 hr |
|
|
|
|
|
| 109693 |
n-butyl chloride |
|
FINAL |
1500 |
annual |
|
|
|
|
|
| 78831 |
isobutyl alcohol |
|
FINAL |
1500 |
8 hr |
|
|
|
|
|
| 75763 |
tetramethylsilane |
|
FINAL |
1300 |
annual |
|
|
|
|
|
| 107313 |
methyl formate |
|
FINAL |
1250 |
8 hr |
|
|
|
|
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| 107415 |
hexylene glycol |
|
FINAL |
1210 |
1 hr |
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|
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| 64197 |
acetic acid |
|
FINAL |
1200 |
1 hr |
|
|
|
|
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| 80568 |
pinene, alpha |
18 |
FINAL |
1120 |
8 hr |
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|
|
|
| 127913 |
pinene, beta |
18 |
FINAL |
1120 |
8 hr |
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| 13466789 |
carene, delta |
18 |
FINAL |
1120 |
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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