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 3 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 |
| 591764 |
2-methylhexane |
|
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 142825 |
heptane |
|
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 96140 |
3-methylpentane |
|
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 79298 |
2,3-dimethylbutane |
|
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 8032324 |
VM & P naphtha |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 8052413 |
stoddard solvent |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 64741646 |
naphtha, full range alkylate |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 64741657 |
heavy alkylate naphtha |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 64475850 |
mineral spirits |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 64741419 |
naphtha heavy straight run |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 64742489 |
hydrotreated heavy napht |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 64742490 |
hydrotreated light naphtha |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 64742887 |
solvent naphtha medium aliphatic |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 64742898 |
solvent naphtha light aliphatic |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 68551177 |
heavy naphtha |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 141786 |
ethyl acetate |
|
FINAL |
3200 |
annual |
|
|
|
|
|
| 109944 |
ethyl formate |
|
FINAL |
3000 |
8 hr |
|
|
|
|
|
| 78922 |
sec-butyl alcohol |
|
FINAL |
3000 |
8 hr |
|
|
|
|
|
| 1634044 |
methyl t-butyl ether |
|
FINAL |
3000 |
annual |
|
|
|
|
|
| 84662 |
diethyl phthalate |
|
FINAL |
2800 |
annual |
|
|
|
|
|
| 123922 |
isoamyl acetate |
|
FINAL |
2700 |
8 hr |
5300 |
1 hr |
|
|
|
| 26952216 |
isooctanol |
|
FINAL |
2700 |
8 hr |
|
|
|
|
|
| 19430934 |
perfluorobutylethylene |
|
FINAL |
2600 |
annual |
10000 |
8 hr |
|
|
|
| 626380 |
2-pentyl acetate |
|
FINAL |
2600 |
8 hr |
|
|
|
|
|
| 71238 |
n-propyl alcohol |
|
FINAL |
2500 |
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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