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 14 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 |
| 26530201 |
octylisothiazolone |
|
FINAL |
2 |
annual |
|
|
|
|
|
| 108419325 |
octyl acetate |
|
FINAL |
78 |
annual |
|
|
|
|
|
| 124072 |
octanoic acid |
|
FINAL |
33 |
annual |
|
|
|
|
|
| 107517 |
octamethyltrisiloxane |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 556672 |
octamethylcyclotetrasilo |
|
FINAL |
75 |
annual |
|
|
|
|
|
| 27668526 |
octadecyldimethyl (3-(trimethoxysilyl)propyl) ammonium chloride |
|
FINAL |
170 |
annual |
|
|
|
|
|
| 627838 |
octadecanoic acid, 1,2-ethanediyl ester |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 124265 |
octadecanamide |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 95476 |
o-xylene |
2 |
FINAL |
390 |
annual |
|
|
|
|
|
| 95534 |
o-toluidine |
|
FINAL |
|
|
|
|
0.07 |
0.7 |
annual |
| 90437 |
o-phenylphenol |
|
FINAL |
|
|
|
|
1.1 |
11 |
annual |
| 95487 |
o-cresol |
30 |
FINAL |
100 |
8 hr |
|
|
|
|
|
| 118912 |
o-chlorobenzoic acid |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 88653 |
o-bromobenzoic acid |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 134292 |
o-ansidine hydrochloride |
|
FINAL |
|
|
|
|
0.04 |
0.4 |
annual |
| 68309524 |
Nylen 5 |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 303811 |
novobiocin |
|
FINAL |
40 |
annual |
|
|
|
|
|
| 64771728 |
norpar 12 |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 25154523 |
nonyl phenol (mixed isomers) |
|
FINAL |
30 |
24 hr |
|
|
|
|
|
| 75525 |
nitromethane |
|
FINAL |
70 |
annual |
|
|
0.1 |
1 |
annual |
| 7783542 |
nitrogen trifluoride |
|
FINAL |
290 |
8 hr |
|
|
|
|
|
| 79243 |
nitroethane |
|
FINAL |
60 |
annual |
|
|
|
|
|
| 98953 |
nitrobenzene |
|
FINAL |
9 |
annual |
|
|
0.025 |
0.25 |
annual |
| 15245122 |
nitric acid, ammonium calcium salt |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 7697372 |
nitric acid |
|
FINAL |
50 |
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 [email protected] or (517) 582-3779. |
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