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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 21 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
68131408 tergitol 15-s-3   FINAL 290 annual          
68132025 coumarone indene resin   FINAL 0.1 annual          
68309524 Nylen 5   FINAL 0.1 annual          
68334305 diesel fuel   FINAL 70 annual          
68390567 diketene hydrogenated fatty acids   FINAL 0.1 annual          
68410004 distillates (petroleum), crude oil   FINAL 19 annual          
68410231 polyethylenepolyamine reaction products with c18-unsat. fatty acids   FINAL 0.1 annual          
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          
64742467 hydrotreated middle distillate 11 FINAL 50 8 hr          
64742309 distillates (petroleum), chemically neutralized middle 1 FINAL 2 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          
26530201 octylisothiazolone   FINAL 2 annual          
26544207 mcpa 2-ehe (2-methyl-4-chlorophenoxyacetic acid 2-ethylhexyl ester)   FINAL 90 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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