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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 6 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
60571 dieldrin   FINAL         0.0002 0.002 annual
302012 hydrazine   FINAL         0.0002 0.002 annual
309002 aldrin   FINAL         0.0002 0.002 annual
110009 furan   FINAL 4 annual     0.0002 0.002 annual
7440382 arsenic   FINAL         0.0002 0.002 annual
7440484 cobalt and cobalt compounds that release cobalt ions 42 FINAL 0.2 8 hr     0.00013 0.0013 annual
136527 cobalt 2-ethylhexanoate 42 FINAL 0.2 8 hr     0.00013 0.0013 annual
91598 2-naphthylamine   FINAL         0.00013 0.0013 annual
96128 dibromochloropropane   FINAL 0.2 24 hr     0.0001 0.001 annual
18540299 chromium, hexavalent - particulate   FINAL 0.1 annual     0.000083 0.00083 annual
18540299 chromium, hexavalent - mist   FINAL 0.008 annual     0.000083 0.00083 annual
62759 n-nitrosodimethylamine   FINAL         0.00007 0.0007 annual
509148 tetranitromethane   FINAL 0.4 8 hr     0.000066 0.00066 annual
1332214 asbestos 16 FINAL         0.000022 0.00022 annual
92875 benzidine   FINAL         0.00002 0.0002 annual
542881 bis(chloromethyl)ether   FINAL         0.000016 0.00016 annual
684935 n-nitroso-n-methylurea   FINAL         0.000001 0.00001 annual
1746016 2,3,7,8-tetrachlorodibenzo(p)dioxin 33 FINAL 0.000002 annual     0.000000023 0.00000023 annual
1758889 2-ethyl-1,4-dimethyl benzene   FINAL 0.1 annual          
1760243 n-(3-(trimethoxysilyl)propyl)-ethylenediamine   FINAL 8 annual          
1761713 4,4'-diaminodicyclohexylmethane   FINAL 6 annual          
1763231 perfluorooctane sulfonic acid (pfos)   FINAL 0.0004 24 hr          
1873887 heptamethyltrisiloxane   FINAL 0.1 annual          
1897525 2,6-difluorobenzonitrile   FINAL 0.2 annual          
1912830 stannous octoate   FINAL 3 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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