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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 13 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
1308141 chromium (+3) hydroxide   FINAL 0.5 annual          
1308389 chromium 3 oxide   FINAL 0.5 annual          
1309428 magnesium hydroxide 38 FINAL 100 8 hr          
1309484 magnesium oxide 38 FINAL 100 8 hr          
1309644 antimony trioxide   FINAL 0.2 annual          
1310538 germanium dioxide   FINAL 7 annual          
1310583 potassium hydroxide   FINAL 20 1 hr          
1310663 lithium hydroxide   FINAL 0.25 8 hr          
1310732 sodium hydroxide   FINAL 8 1 hr          
18868434 molybdenum dioxide   FINAL 30 8 hr          
19089475 propylene glycol monoethyl ether (alpha)   FINAL 23 annual          
19430934 perfluorobutylethylene   FINAL 2600 annual 10000 8 hr      
19549805 4,6-dimethyl-2-heptanone 19 FINAL 0.1 annual          
12037295 praseodymium oxide   FINAL 0.1 annual          
12054852 ammonium molybdate   FINAL 5 8 hr          
12070121 tungsten carbide 6 FINAL 50 8 hr          
12136457 potassium oxide   FINAL 0.1 annual          
12262587 cyclohexanone peroxide   FINAL 0.1 annual          
12401864 sodium monoxide   FINAL 0.1 annual          
13007857 sodium glucoheptonate   FINAL 0.1 annual          
13209411 17,21-dihydroxy-16 alpha-methylpregna-1,4,9(11)-triene-3,20-dione   FINAL 0.1 annual          
13410010 selenic acid 34 FINAL 2 8 hr          
13463677 titanium dioxide   FINAL 24 8 hr          
13465775 hexachlorodisilane   FINAL 0.1 annual          
13466789 carene, delta 18 FINAL 1120 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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