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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 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
74931 methyl mercaptan   FINAL 10 1 hr          
74975 chlorobromomethane   FINAL 10600 8 hr          
74997 methyl acetylene   FINAL 16500 8 hr          
75003 ethyl chloride   FINAL 10000 24 hr          
75285 isobutane 22 FINAL 23800 8 hr          
75296 2-chloropropane   FINAL 100 24 hr          
75310 isopropylamine   FINAL 120 8 hr          
75343 1,1-dichloroethane   FINAL 500 annual          
75150 carbon disulfide   FINAL 700 annual          
75183 dimethylsulfide   FINAL 7 annual          
71556 methyl chloroform   FINAL 6000 24 hr          
67685 dimethylsulfoxide   FINAL 20 annual          
75047 ethylamine   FINAL 92 8 hr          
75058 acetonitrile   FINAL 200 annual          
75081 ethyl mercaptan   FINAL 13 1 hr          
79414 methacrylic acid   FINAL 30 annual          
87616 1,2,3-trichlorobenzene   FINAL 27 annual          
87650 2,6-dichlorophenol   FINAL 3.8 annual          
79094 propionic acid   FINAL 300 8 hr          
79107 acrylic acid   FINAL 1 annual          
79118 chloroacetic acid   FINAL 20 8 hr          
79141 hydroxyacetic acid/ glycolic acid   FINAL 4 annual          
79209 methyl acetate   FINAL 6100 8 hr          
79243 nitroethane   FINAL 60 annual          
79298 2,3-dimethylbutane   FINAL 3500 8 hr          
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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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