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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 14 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
69012642 amorphous silica - silica fume 28 FINAL 60 8 hr          
112926008 amorphous silica - precipitated silica and silica gel 28 FINAL 60 8 hr          
112945525 amorphous silica - pyrogenic or fumed silica 28 FINAL 60 8 hr          
111109774 dipropylene glycol dimethyl ether   FINAL 59 annual          
25265774 texanol   FINAL 55 annual          
353504 carbonyl fluoride   FINAL 54 8 hr          
10431988 2-ethyl-2-oxazoline   FINAL 53 annual          
1066359 dimethylchlorosilane 36 FINAL 52 annual 5400 1 hr      
97994 tetrahydrofuryl methanol   FINAL 52 annual          
106917311 sanduvor 3068 liquid   FINAL 52 annual          
102716 triethanolamine   FINAL 50 8 hr          
105533 diethylmalonate   FINAL 50 annual          
84742 dibutyl phthalate   FINAL 50 8 hr          
557051 zinc stearate   FINAL 50 8 hr          
546930 magnesium carbonate   FINAL 50 8 hr          
541059 hexamethylcyclotrisiloxane   FINAL 50 annual          
131113 dimethylphthalate   FINAL 50 8 hr          
124049 adipic acid   FINAL 50 8 hr          
108907 chlorobenzene   FINAL 50 annual 4400 8 hr      
107664 dibutyl phosphate   FINAL 50 8 hr          
7697372 nitric acid   FINAL 50 8 hr          
7727437 barium sulfate   FINAL 50 8 hr          
7631905 sodium bisulfite   FINAL 50 8 hr          
8001794 castor oil   FINAL 50 8 hr          
8012951 mineral oil 11 FINAL 50 8 hr          
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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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