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Michigan Air Toxics System
Initial Threshold Screening Level/Initial Risk Screening Level (ITSL/IRSL)
Toxics Screening Level Query Results

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.

Page 25 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
3986898 progesterone 4   FINAL 0.1 annual          
4098719 isophorone diisocyanate   FINAL 0.45 8 hr          
827521 cyclohexylbenzene   FINAL 0.1 annual          
836306 n-nitrodiphenylamine   FINAL 1 annual          
838857 diphenyl phosphoric acid   FINAL 0.1 annual          
859187 lincomycin hydrochloride   FINAL 75 annual          
868779 2-hydroxyethyl methacrylate   FINAL 10 annual          
872366 vinylene carbonate   FINAL 0.1 annual          
872504 N-methylpyrrolidone   FINAL 5600 24 hr          
929066 diglycol amine   FINAL 9 8 hr          
947193 1-hydroxcyclohexyl phenyl ketone   FINAL 0.1 annual          
981340 betamethasone 11   FINAL 17 annual          
992949 methylsilane   FINAL 30 24 hr          
993077 trimethylsilane   FINAL 340 annual          
994058 tertiary amyl methyl ether   FINAL 62 24 hr          
996350 dimethylisopropylamine   FINAL 200 annual          
999973 hexamethyldisilazane   FINAL 206 annual          
1009934 hexamethylcyclotrisilazane   FINAL 0.1 annual          
1047161 quinacridone pigment   FINAL 0.1 annual          
1066406 trimethylsilanol   FINAL 65 annual          
1067250 propyltrimethoxysilane   FINAL 1000 annual          
1070106 2-ethylhexyltitanate   FINAL 0.1 annual          
1072533 1,3,2-dioxathiolane,2,2-dioxide   FINAL 0.1 annual          
1072635 1-vinylimidazol   FINAL 180 24 hr          
1074404 4,6-dichloro-2-methoxypyrimidine   FINAL 0.1 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 lehnerD@michigan.gov or (517) 582-3779.


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