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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 - 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
88653 o-bromobenzoic acid   FINAL 0.1 annual          
88733 1-chloro-2-nitrobenzene   FINAL         0.21 2.1 annual
88755 2-nitrophenol   FINAL 18 24 hr          
88857 dinoseb   FINAL 4 annual          
90028 salicylaldehyde   FINAL 30 annual          
90120 1-methyl naphthalene   FINAL 250 annual     0.14 1.4 annual
90437 o-phenylphenol   FINAL         1.1 11 annual
90722 2,4,6-tri(dimethylaminomethyl)phenol   FINAL 7 annual          
91010 benzhydrol   FINAL 16 annual          
75296 2-chloropropane   FINAL 100 24 hr          
75310 isopropylamine   FINAL 120 8 hr          
75343 1,1-dichloroethane   FINAL 500 annual          
75354 vinylidene chloride (1,1-dichloroethylene)   FINAL 7.3 annual     0.15 1.5 annual
75365 acetyl chloride   FINAL 0.1 annual          
75376 1,1-difluoroethane   FINAL 400000 annual          
75387 vinylidene fluoride   FINAL 30 annual          
75445 phosgene   FINAL 0.3 annual          
75456 chlorodifluoromethane   FINAL 50000 annual          
75503 trimethylamine   FINAL 120 8 hr          
75525 nitromethane   FINAL 70 annual     0.1 1 annual
75547 methyldichlorosilane   FINAL 4 annual          
75558 1,2-propylenimine   FINAL 5 8 hr          
75569 propylene oxide   FINAL 30 annual     0.3 3 annual
75649 t-butylamine   FINAL 60 annual          
75650 tert-butyl alcohol   FINAL         7 70 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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