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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 30 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
119539 benzoin   FINAL 32 annual          
119619 benzophenone   FINAL 100 annual     0.2 2 annual
119904 3,3'-dimethoxybenzidine   FINAL 9.8 annual     0.039 0.39 annual
120070 phenyldiethanolamine   FINAL 3 annual          
120127 anthracene   FINAL 1000 annual          
120821 1,2,4-trichlorobenzene   FINAL 4 annual          
120832 2,4-dichlorophenol   FINAL 11 24 hr          
121142 2,4-dinitrotoluene   FINAL 2 8 hr     0.009 0.09 annual
111773 diethylene glycol monomethyl ether   FINAL 190 24 hr          
111831 1-bromooctane   FINAL 16 annual          
111842 n-nonane   FINAL 550 annual          
111900 diethylene glycol monoethyl ether   FINAL 1750 annual          
111922 dibutylamine   FINAL 23 annual          
112061 n-heptyl acetate   FINAL 16 annual          
111444 bis-2-chloroethylether   FINAL         0.003 0.03 annual
111466 diethylene glycol   FINAL 1600 annual          
111751 2-butylaminoethanol   FINAL 4 annual          
106990 1,3-butadiene   FINAL 33 annual     0.03 0.3 annual
107006 ethylacetylene   FINAL 0.1 annual          
108601 bis(2-chloroisopropyl)ether   FINAL 140 annual          
108656 propylene glycol monomethyl ether acetate   FINAL 5400 1 hr          
123911 1,4-dioxane   FINAL 100 annual 7200 1 hr 0.2 2 annual
123922 isoamyl acetate   FINAL 2700 8 hr 5300 1 hr      
124049 adipic acid   FINAL 50 8 hr          
124072 octanoic acid   FINAL 33 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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