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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 6 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
5329146 sulfamic acid   FINAL 5 annual          
110612 succinonitrile   FINAL 0.8 annual          
9014011 subtilisin 4 FINAL 0.02 1 hr          
505486 suberic acid   FINAL 17 annual          
9003558 styrene-butadiene polymer   FINAL 0.1 annual          
100425 styrene   FINAL 1000 annual     2 20 annual
7440246 strontium 26 FINAL              
64741442 straight run middle distillate   FINAL 36 annual          
8052413 stoddard solvent 1 FINAL 3500 8 hr          
7803523 stibine   FINAL 5 8 hr          
57114 stearic acid   FINAL 100 8 hr          
1912830 stannous octoate   FINAL 3 8 hr          
30705147 SR 1153   FINAL 0.1 annual          
68071852 Spenkel F34   FINAL 0.1 annual          
67784809 soybean oil, methyl esters   FINAL 16 annual          
64741884 solvent refined heavy paraffnic distillate 11 FINAL 50 8 hr          
64742887 solvent naphtha medium aliphatic 1 FINAL 3500 8 hr          
64742898 solvent naphtha light aliphatic 1 FINAL 3500 8 hr          
64742967 solvent naphtha (petroleum) heavy aliphatic 44 FINAL 200 annual 2000 8 hr      
8005025 solvent black   FINAL 0.1 annual          
68458913 Solvar & LV 820   FINAL 0.1 annual          
86753788 Solsperse 5000   FINAL 0.1 annual          
109265716 Solsperse 12000   FINAL 0.1 annual          
1300727 sodium xylenesulfonate 26 FINAL              
7757837 sodium sulfite   FINAL 0.028 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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