Link to MDEQ Home Link to Michigan.gov
Michigan.gov Home EGLE Home | Michigan Air Permits System Home


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 11 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
63937304 anhydro-dimethylamino hexose reductone   FINAL 0.6 annual          
64248620 3,4-difluorobenzonitrile   FINAL 0.6 annual          
64265572 crosslinker cx100   FINAL 10 annual          
64475850 mineral spirits 1 FINAL 3500 8 hr          
64485821 thiazole ester   FINAL 17 annual          
64741419 naphtha heavy straight run 1 FINAL 3500 8 hr          
64741420 naphtha, full range straight run   FINAL 18 annual          
64741442 straight run middle distillate   FINAL 36 annual          
64741544 naphtha, heavy catalytic cracked   FINAL 115 annual          
64741555 naphtha (petroleum), light catalytic cracked 25 FINAL 5600 annual          
64741566 residues, (petroleum), vacuum   FINAL 16 annual          
64741599 distillates, (petroleum), light catalytic cracked 24 FINAL 93 annual          
64741624 clarified oils (petroleum), catalytic cracked   FINAL 12 annual          
64741635 naphtha, light catalytic reformed   FINAL 100 annual          
64741646 naphtha, full range alkylate 1 FINAL 3500 8 hr          
64741657 heavy alkylate naphtha 1 FINAL 3500 8 hr          
64741668 light alkylate naphtha   FINAL 138 annual          
64741680 heavy catalytic reformed naphtha   FINAL 70 annual          
64741793 petroleum coke 26 FINAL              
64741817 distillates (petroleum), heavy thermal cracked   FINAL 15 annual          
64741828 distillates (petroleum), light thermal cracked 24 FINAL 93 annual          
64741839 naphtha, heavy thermal cracked 25 FINAL 5600 annual          
64741862 sweetened middle distillate 1 FINAL 2 annual          
64741884 solvent refined heavy paraffnic distillate 11 FINAL 50 8 hr          
64741895 distillates (petroleum) solvent-refined light paraffinic 11 FINAL 50 8 hr          
[<-- First Page]  [<- Previous Page]  [Next Page ->] [Last Page -->] 

    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  

 
Back to Main Search Page

For issues related to ITSL/IRSL database content, contact Doreen Lehner at [email protected] or (517) 582-3779.


Michigan.gov Home  |   EGLE_Home  |   BFS_Home  |   Online Services  |   Contact EGLE  |   ADA  |   FOIA  |   Contact BFS  |   State Web Sites  |   Policies