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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 2 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
98828 cumene   FINAL 400 annual     0.1 1 annual
98839 alpha-methyl styrene   FINAL 230 annual          
98840 dl-alpha phenylethylamine   FINAL 3 annual          
98862 acetophenone   FINAL 490 8 hr          
98953 nitrobenzene   FINAL 9 annual     0.025 0.25 annual
99876 p-isopropyltoluene   FINAL 10 annual          
99978 n,n-dimethyl-p-toluidine   FINAL 28 annual          
100027 4-nitrophenol   FINAL 0.7 annual          
100061 4-methoxyacetophenone   FINAL 0.1 annual          
100367 2-diethylaminoethylamine   FINAL 9 annual          
100378 2-diethylaminoethanol (deae)   FINAL 4 annual          
100403 4-vinylcyclohexene   FINAL 4 8 hr          
100414 ethylbenzene   FINAL 1000 24 hr     0.4 4 annual
100425 styrene   FINAL 1000 annual     2 20 annual
100447 benzyl chloride   FINAL         0.02 0.2 annual
100469 benzylamine   FINAL 0.1 annual          
100516 benzyl alcohol   FINAL 400 annual          
100527 benzaldehyde   FINAL         0.4 4 annual
100549 3-cyanopyridine   FINAL 1.5 annual          
100856 benzyltrimethylammonium hydroxide   FINAL 0.1 annual          
100970 hexamethylenetetramine   FINAL 100 annual          
101688 methylene diphenyl diisocyanate   FINAL 0.6 annual          
101779 4,4'-methylene dianiline   FINAL         0.022 0.22 annual
101848 diphenyloxide   FINAL 70 8 hr          
102692 tripropylamine   FINAL 0.2 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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