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 3 of 51 - 1271 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
1066359 dimethylchlorosilane 36 FINAL 52 annual 5400 1 hr      
431890 hfc-227ea 13 FINAL 130000 annual 5560000 1 hr      
107028 acrolein 13 FINAL 0.4 annual 5 1 hr      
7446119 sulfur trioxide 9,13 FINAL 1 annual 120 1 hr      
4109960 dichlorosilane 36 FINAL 28 annual 2900 1 hr      
6192525 p-toluenesulfonic acid monohydrate 9 13 FINAL 1.9 annual 230 1 hr      
7664939 sulfuric acid 9,13 FINAL 1 annual 120 1 hr      
10026047 silicon tetrachloride 36 FINAL 20 annual 2000 1 hr      
7664393 hydrogen fluoride 13 FINAL 14 annual 240 1 hr      
111308 glutaraldehyde 13 FINAL 0.08 annual 2 1 hr      
7647010 hydrogen chloride 13 FINAL 20 annual 2100 1 hr      
15625895 Trimethyl propane triacrylate   FINAL 1 annual 20 1 hr      
75694 trichlorofluoromethane   FINAL 130 annual 56200 1 hr      
8014957 oleum 9,13 FINAL 1 annual 120 1 hr      
8012951 mineral oil 11 FINAL 50 8 hr          
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          
[<-- 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 lehnerD@michigan.gov or (517) 582-3779.


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