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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.
 
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Page 5 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
513371 dimethylvinyl chloride   FINAL         0.008 0.08 annual
7786814 Nickel Sulfate   FINAL         0.006 0.06 annual
7440020 nickel   FINAL         0.006 0.06 annual
1313991 Nickel Oxide   FINAL         0.006 0.06 annual
79061 acrylamide   FINAL 6 24 hr     0.005 0.05 annual
111444 bis-2-chloroethylether   FINAL         0.003 0.03 annual
8001352 toxaphene   FINAL         0.003 0.03 annual
118741 hexachlorobenzene   FINAL 0.35 24 hr     0.0022 0.022 annual
12035722 nickel subsulfide   FINAL         0.0021 0.021 annual
126998 beta-chloroprene   FINAL 20 annual     0.002 0.02 annual
126727 tris(2,3-dibromopropyl) phosphate   FINAL         0.002 0.02 annual
106934 1,2-dibromoethane   FINAL 9 annual     0.002 0.02 annual
91941 dichlorobenzidine   FINAL         0.002 0.02 annual
1116547 n-nitrosodiethanolamine   FINAL         0.0012 0.012 annual
8007452 coke oven emissions   FINAL         0.001 0.01 annual
91225 quinoline   FINAL         0.001 0.01 annual
50328 benzo(a)pyrene 5 FINAL 0.002 24 hr     0.001 0.01 annual
76448 heptachlor   FINAL         0.0008 0.008 annual
10034932 hydrazine sulfate   FINAL         0.0008 0.008 annual
7440439 cadmium   FINAL         0.0006 0.006 annual
319846 alpha-hexachlorocyclohexane   FINAL         0.0006 0.006 annual
621647 n-nitroso-di-n-propylamine   FINAL         0.0005 0.005 annual
7440417 beryllium   FINAL 0.02 24 hr     0.0004 0.004 annual
79469 2-nitropropane   FINAL 20 annual     0.00037 0.0037 annual
75218 ethylene oxide   FINAL         0.0002 0.002 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 [email protected] or (517) 582-3779.


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