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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 50 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
56495 3-methylcholanthrene 5 FINAL              
57830 progesterone   FINAL 0.1 annual          
57976 7,12-dimethylbenz(a)anthracene 5 FINAL              
58366 10,10'-oxybisphenoxarsine oxide   FINAL 0.2 annual          
74851 ethylene   FINAL 6240 annual          
74873 methyl chloride 21 FINAL 90 annual          
74884 methyl iodide   FINAL 120 8 hr          
74895 methylamine   FINAL 64 8 hr          
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          
56815 glycerol   FINAL 100 8 hr          
57114 stearic acid   FINAL 100 8 hr          
57125 cyanide 13 FINAL 0.8 annual 50 1 hr      
57158 chlorobutanol   FINAL 0.1 annual          
51285 2,4-dinitrophenol   FINAL 7 annual          
53361 methyl predisolone acetate   FINAL 43 annual          
50033 hydrocortisone acetate   FINAL 15 annual          
50215 lactic acid   FINAL 7 annual          
50282 estradiol   FINAL 0.1 annual          
71556 methyl chloroform   FINAL 6000 24 hr          
67685 dimethylsulfoxide   FINAL 20 annual          
74839 methyl bromide   FINAL 5 annual          
0 heptamethyl-1-vinyl-1,7-dichlorotetrasilazane   FINAL 0.1 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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