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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 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
95932 1,2,4,5-tetramethyl benzene   FINAL 20 annual          
95943 1,2,4,5-tetrachlorobenzene   FINAL 1 annual          
95954 2,4,5-trichlorophenol   FINAL 350 annual          
96173 2-methylbutyraldehyde   FINAL 700 annual          
96184 1,2,3-trichloropropane   FINAL 0.3 annual          
96231 1,3-dichloro-2-propanol   FINAL 3 annual     0.07 0.7 annual
96333 methyl acrylate   FINAL 70 annual          
96457 ethylene thiourea   FINAL 0.28 annual     0.01 0.1 annual
96479 2-methyltetrahydrofuran   FINAL 420 annual          
96491 ethylene carbonate   FINAL 30 annual          
96800 diisopropylaminoethanol   FINAL 4 annual          
97643 ethyl lactate   FINAL 20 annual          
97858 isobutyl isobutyrate   FINAL 300 annual          
97869 isobutyl methacrylate   FINAL 600 annual          
97881 n-butyl methacrylate   FINAL 569 annual          
97950 2-ethyl butanol   FINAL 40 annual          
97994 tetrahydrofuryl methanol   FINAL 52 annual          
98000 furfuryl alcohol   FINAL 5 annual     0.09 0.9 annual
98066 tert-butylbenzene   FINAL 10 annual          
98135 phenyltrichlorosilane   FINAL 0.1 annual          
98179 m-trifluoromethylphenol   FINAL 0.08 annual          
98293 t-butylcatechol   FINAL 9 annual          
98566 p-chlorobenzotrifluoride   FINAL 70 annual          
98828 cumene   FINAL 400 annual     0.1 1 annual
98839 alpha-methyl styrene   FINAL 230 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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