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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 3 of 51 - 1274 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
71432 benzene   FINAL 30 annual 30 24 hr 0.1 1 annual
68410979 high benzene naphtha hydrotreated c6-c8 fraction   FINAL 30 annual 30 24 hr 0.1 1 annual
121448 triethylamine   FINAL 7 annual 21 8 hr      
15625895 Trimethyl propane triacrylate   FINAL 1 annual 20 1 hr      
106912 glycidyl methacrylate 13 FINAL 0.8 annual 16 24 hr      
111422 diethanolamine 13 FINAL 0.2 annual 10 8 hr      
107028 acrolein 13 FINAL 0.4 annual 5 1 hr      
111308 glutaraldehyde 13 FINAL 0.08 annual 2 1 hr      
7439976 mercury and mercury compounds 7 FINAL 0.3 annual 1 24 hr      
2921882 chlorpyrifos   FINAL 1 annual 1 8 hr      
91087 2,6-toluene diisocyanate 13 FINAL 0.07 annual 0.4 8 hr 0.03 0.3 annual
26471625 toluene diisocyanate 13 FINAL 0.07 annual 0.4 8 hr 0.03 0.3 annual
584849 2,4-toluene diisocyanate 13 FINAL 0.07 annual 0.4 8 hr 0.03 0.3 annual
822060 hexamethylene diisocyanate   FINAL 0.2 annual 0.3 8 hr      
7440280 thallium and thallium compounds   FINAL 0.1 annual 0.2 8 hr      
7440315 tin   FINAL 20 8 hr          
7440326 Titanium   FINAL 24 8 hr          
7440360 antimony   FINAL 0.2 annual          
7440382 arsenic   FINAL         0.0002 0.002 annual
7440393 barium and soluble barium compounds 35 FINAL 5 8 hr          
7440417 beryllium   FINAL 0.02 24 hr     0.0004 0.004 annual
7440439 cadmium   FINAL         0.0006 0.006 annual
7440451 cerium   FINAL 6 annual          
7440473 chromium 17 FINAL              
7440484 cobalt and cobalt compounds that release cobalt ions 42 FINAL 0.2 8 hr     0.00013 0.0013 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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