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 22 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 |
| 7664393 |
hydrogen fluoride |
13 |
FINAL |
14 |
annual |
240 |
1 hr |
|
|
|
| 7722841 |
hydrogen peroxide |
|
FINAL |
14 |
8 hr |
|
|
|
|
|
| 5888335 |
iso-bornyl acrylate |
|
FINAL |
14 |
annual |
|
|
|
|
|
| 4435534 |
butoxyl |
|
FINAL |
14 |
annual |
|
|
|
|
|
| 64742821 |
naphtha (petroleum) hydrodesulfurized heavy |
|
FINAL |
14 |
annual |
|
|
|
|
|
| 56539663 |
3-methoxy-3methyl-1butanol |
|
FINAL |
13 |
annual |
|
|
|
|
|
| 9004744 |
polyethylene glycol methyl ether |
|
FINAL |
13 |
annual |
|
|
|
|
|
| 92524 |
biphenyl |
|
FINAL |
13 |
8 hr |
|
|
0.43 |
4.3 |
annual |
| 75081 |
ethyl mercaptan |
|
FINAL |
13 |
1 hr |
|
|
|
|
|
| 191242 |
benzo(g,h,i)perylene |
|
FINAL |
13 |
annual |
|
|
|
|
|
| 137326 |
2-methyl-1-butanol |
|
FINAL |
13 |
annual |
|
|
|
|
|
| 68477316 |
aromatic petroleum derivative solvent |
|
FINAL |
13 |
annual |
|
|
|
|
|
| 70914204 |
c6-8 branched alcohols |
|
FINAL |
13 |
annual |
|
|
|
|
|
| 9002920 |
polyoxyethylene lauryl ether |
|
FINAL |
12 |
annual |
|
|
|
|
|
| 64741624 |
clarified oils (petroleum), catalytic cracked |
|
FINAL |
12 |
annual |
|
|
|
|
|
| 634902 |
1,2,3,5-tetrachlorobenzene |
|
FINAL |
12 |
annual |
|
|
|
|
|
| 18063031 |
2,6-difluorobenzamide |
|
FINAL |
11 |
annual |
|
|
|
|
|
| 120832 |
2,4-dichlorophenol |
|
FINAL |
11 |
24 hr |
|
|
|
|
|
| 79005 |
1,1,2-trichloroethane |
|
FINAL |
11 |
annual |
160 |
24 hr |
0.063 |
0.63 |
annual |
| 82688 |
pentachloronitrobenzene |
|
FINAL |
11 |
annual |
|
|
|
|
|
| 68956569 |
hydrocarbons, terpene processing by-products |
|
FINAL |
11 |
annual |
|
|
|
|
|
| 97658805 |
5-bp-bisenamine |
|
FINAL |
10 |
annual |
|
|
|
|
|
| 91576 |
2-methylnaphthalene |
|
FINAL |
10 |
annual |
|
|
|
|
|
| 95512 |
2-chloroaniline |
|
FINAL |
10 |
annual |
|
|
|
|
|
| 105602 |
caprolactam |
|
FINAL |
10 |
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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