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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 50 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
189559 dibenzo(a,i)pyrene 5 FINAL             annual
189640 dibenzo(a,h)pyrene 5 FINAL             annual
298146 Potassium bicarbonate 26 FINAL              
302012 hydrazine   FINAL         0.0002 0.002 annual
218019 chrysene 5 FINAL             annual
207089 Benzo(k)fluoranthene 5 FINAL             annual
193395 Indeno(1,2,3-cd)pyrene 5 FINAL              
205823 benzo(j)fluoranthene 5 FINAL             annual
205992 Benzo(b)fluoranthene 5 FINAL             annual
191300 dibenzo(a,l)pyrene 5 FINAL             annual
192654 dibenzo(a,e)pyrene 5 FINAL             annual
149304 2-mercaptobenzothiazole   FINAL         0.54 5.4 annual
1300727 sodium xylenesulfonate 26 FINAL              
1302427 sodium aluminate 43 FINAL              
1116547 n-nitrosodiethanolamine   FINAL         0.0012 0.012 annual
1119400 dimethyl glutarate 27 FINAL              
684935 n-nitroso-n-methylurea   FINAL         0.000001 0.00001 annual
637923 ethyl tertiary butyl ether   FINAL         0.00001 0.0001 annual
630206 1,1,1,2-tetrachloroethane   FINAL         0.1 1 annual
1336363 polychlorinated biphenyls 8 FINAL         0.01 0.1 annual
3697243 5-methylchrysene 5 FINAL             annual
1313991 Nickel Oxide   FINAL         0.006 0.06 annual
1332214 asbestos 16 FINAL         0.000022 0.00022 annual
7440020 nickel   FINAL         0.006 0.06 annual
7440246 strontium 26 FINAL              
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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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