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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 49 of 51 - 1274 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
90120 1-methyl naphthalene   FINAL 250 annual     0.14 1.4 annual
123333539 1-hydroxy benzotriazole   FINAL 0.1 annual          
947193 1-hydroxcyclohexyl phenyl ketone   FINAL 0.1 annual          
629732 1-hexadecene   FINAL 17 annual          
592767 1-heptene   FINAL 24 annual          
2687914 1-ethyl-2-pyrrolidone   FINAL 4.9 annual          
611143 1-ethyl-2-methylbenzene   FINAL 0.1 annual          
112414 1-dodecene   FINAL 29 annual          
88733 1-chloro-2-nitrobenzene   FINAL         0.21 2.1 annual
75683 1-chloro-1,1-difluoroethane   FINAL 50000 annual          
111831 1-bromooctane   FINAL 16 annual          
109659 1-bromobutane   FINAL 9 annual          
109706 1-bromo-3-chloropropane   FINAL 0.1 annual          
16079882 1-bromo-3-chloro-5,5-dimethylhydantoin   FINAL 2 8 hr          
6713037 1-(2-hydroxyethylthio)propane   FINAL 0.1 annual          
6674222 1,8-diazabicyclo[5.4.0]undec-7-ene   FINAL 25 annual          
629118 1,6-hexanediol   FINAL 14 annual          
592427 1,5-hexanediene   FINAL 264 annual          
123911 1,4-dioxane   FINAL 100 annual 7200 1 hr 0.2 2 annual
106467 1,4-dichlorobenzene   FINAL 800 annual     0.25 2.5 annual
110634 1,4 butanediol   FINAL 79 annual          
1120714 1,3-propane sultone   FINAL 2 annual          
16883833 1,3-pentanediol-2,2,4-trimethyl-3-(benzyl phthalate)-isobutyrate   FINAL 0.1 annual          
646060 1,3-dioxolane   FINAL 10 annual          
542756 1,3-dichloropropene   FINAL 20 annual     0.2 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 lehnerD@michigan.gov or (517) 582-3779.


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