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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 8 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
64741646 naphtha, full range alkylate 1 FINAL 3500 8 hr          
64741657 heavy alkylate naphtha 1 FINAL 3500 8 hr          
64742887 solvent naphtha medium aliphatic 1 FINAL 3500 8 hr          
64742898 solvent naphtha light aliphatic 1 FINAL 3500 8 hr          
64742945 heavy aromatic solvent naphtha 1 FINAL 70 annual          
64742956 light aromatic solvent naphtha (petroleum) 1 FINAL 100 annual          
64475850 mineral spirits 1 FINAL 3500 8 hr          
64741419 naphtha heavy straight run 1 FINAL 3500 8 hr          
8052413 stoddard solvent 1 FINAL 3500 8 hr          
8030306 naphtha 1 FINAL 4000 8 hr          
8032324 VM & P naphtha 1 FINAL 3500 8 hr          
540841 2,2,4-Trimethyl Pentane 1 FINAL 3500 8 hr          
64742810 hydrodesulfurized kerosene 44 FINAL 200 annual 2000 8 hr      
64742149 petroleum distillates, acid treated 44 FINAL 200 annual 2000 8 hr      
64742069 extracts (petroleum), middle distillate solvent   FINAL 2 annual          
64741668 light alkylate naphtha   FINAL 138 annual          
64741680 heavy catalytic reformed naphtha   FINAL 70 annual          
64741624 clarified oils (petroleum), catalytic cracked   FINAL 12 annual          
64741635 naphtha, light catalytic reformed   FINAL 100 annual          
64741817 distillates (petroleum), heavy thermal cracked   FINAL 15 annual          
68575360 3,5-dichloro-a-methyl st   FINAL 16 annual          
68608264 sodium petroleum sulfonate   FINAL 0.1 annual          
68610117 diethylenetriamine reaction product with bisphenol a   FINAL 0.1 annual          
68783244 di-tallow alkylamines   FINAL 0.1 annual          
68918229 high molecular wt. silicon   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 [email protected] or (517) 582-3779.


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