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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 24 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
144669045 hexenylsiloxanes   FINAL 16 annual          
166524658 2-ethoxy-4,6-difluoropyrimidine   FINAL 20 annual          
166524750 2,2'-dithiobis(5-ethoxy-7-fluoro[1,2,4]triazolo(1,5-c)pyrimidine   FINAL 0.8 annual          
170557434 dowanol tmh-deg borate ester   FINAL 32 annual          
64742467 hydrotreated middle distillate 11 FINAL 50 8 hr          
64742821 naphtha (petroleum) hydrodesulfurized heavy   FINAL 14 annual          
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          
64742489 hydrotreated heavy napht 1 FINAL 3500 8 hr          
64742490 hydrotreated light naphtha 1 FINAL 3500 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          
64742809 hydrodesulfurized middle distillate   FINAL 2 annual          
64771728 norpar 12   FINAL 0.1 annual          
65402655 4-hydroxytetramethyl piperadine free radical (4-oh-tempo)   FINAL 4 annual          
66071861 LV 837/821   FINAL 0.1 annual          
67701104 sodium soap 903923   FINAL 6 annual          
67701115 sodium soap 900602   FINAL 6 annual          
67762418 linear primary alcohol   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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