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 7 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 |
| 100516 |
benzyl alcohol |
|
FINAL |
400 |
annual |
|
|
|
|
|
| 540976 |
dodecamethylcyclohexasiloxane |
|
FINAL |
400 |
annual |
|
|
|
|
|
| 141797 |
mesityl oxide |
|
FINAL |
400 |
8 hr |
|
|
|
|
|
| 591275 |
m-aminophenol |
|
FINAL |
390 |
annual |
|
|
|
|
|
| 108383 |
m-xylene |
2 |
FINAL |
390 |
annual |
|
|
|
|
|
| 106423 |
p-xylene |
2 |
FINAL |
390 |
annual |
|
|
|
|
|
| 95476 |
o-xylene |
2 |
FINAL |
390 |
annual |
|
|
|
|
|
| 1330207 |
mixed xylenes |
2 |
FINAL |
390 |
annual |
|
|
|
|
|
| 141913 |
2,6-dimethyl morpholine |
|
FINAL |
377 |
annual |
|
|
|
|
|
| 123513 |
isoamyl alcohol |
|
FINAL |
360 |
8 hr |
|
|
|
|
|
| 108203 |
diisopropyl ether |
|
FINAL |
360 |
24 hr |
|
|
|
|
|
| 95954 |
2,4,5-trichlorophenol |
|
FINAL |
350 |
annual |
|
|
|
|
|
| 71363 |
n-butanol |
|
FINAL |
350 |
annual |
|
|
|
|
|
| 622968 |
p-ethyl toluene |
|
FINAL |
350 |
annual |
|
|
|
|
|
| 7664417 |
ammonia |
39 |
FINAL |
350 |
1 hr |
|
|
|
|
|
| 68955351 |
naphtha, catalytic reformed |
|
FINAL |
350 |
annual |
|
|
|
|
|
| 55934935 |
tripropylene glycol n-butyl ether |
|
FINAL |
346 |
annual |
|
|
|
|
|
| 993077 |
trimethylsilane |
|
FINAL |
340 |
annual |
|
|
|
|
|
| 75718 |
dichlorodifluoromethane |
|
FINAL |
330 |
annual |
49500 |
8 hr |
|
|
|
| 79094 |
propionic acid |
|
FINAL |
300 |
8 hr |
|
|
|
|
|
| 95501 |
1,2-dichlorobenzene |
|
FINAL |
300 |
annual |
|
|
|
|
|
| 97858 |
isobutyl isobutyrate |
|
FINAL |
300 |
annual |
|
|
|
|
|
| 616386 |
dimethyl carbonate |
|
FINAL |
300 |
annual |
|
|
|
|
|
| 2426086 |
n-butyl glycidyl ether |
|
FINAL |
300 |
1 hr |
160 |
8 hr |
|
|
|
| 9004324 |
carboxymethyl cellulose |
|
FINAL |
300 |
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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