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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 7 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
111308 glutaraldehyde 13 FINAL 0.08 annual 2 1 hr      
127184 tetrachloroethylene 13 FINAL 40 annual 1400 24 hr 4 40 annual
431890 hfc-227ea 13 FINAL 130000 annual 5560000 1 hr      
72548 DDD (TDE) 12 FINAL         0.01 0.1 annual
72559 DDE, p,p'- 12 FINAL         0.01 0.1 annual
50293 ddt 12 FINAL         0.01 0.1 annual
8012951 mineral oil 11 FINAL 50 8 hr          
8042475 white mineral oil 11 FINAL 50 8 hr          
64741884 solvent refined heavy paraffnic distillate 11 FINAL 50 8 hr          
64741895 distillates (petroleum) solvent-refined light paraffinic 11 FINAL 50 8 hr          
64742467 hydrotreated middle distillate 11 FINAL 50 8 hr          
64742525 hydrotreated heavy naphthenic distillate 11 FINAL 50 8 hr          
64742536 hydrotreated light naphthenic distillate 11 FINAL 50 8 hr          
64742547 hydrotreated heavy paraffinic mineral oil 11 FINAL 50 8 hr          
64742558 hydrotreated light paraffinic distillate 11 FINAL 50 8 hr          
64742627 residual oils (petroleum) solvent-dewaxed 11 FINAL 50 8 hr          
64742650 dewaxed heavy paraffinic mineral oil 11 FINAL 50 8 hr          
111762 2-butoxyethanol 10 FINAL 1600 annual          
112072 ethylene glycol monobutyl ether acetate 10 FINAL 2200 annual          
112152 diethylene glycol monoethyl ether acetate 10 FINAL 18 annual          
64742489 hydrotreated heavy napht 1 FINAL 3500 8 hr          
64742490 hydrotreated light naphtha 1 FINAL 3500 8 hr          
68551177 heavy naphtha 1 FINAL 3500 8 hr          
64742309 distillates (petroleum), chemically neutralized middle 1 FINAL 2 annual          
64741862 sweetened middle distillate 1 FINAL 2 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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