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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 51 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
2634335 1,2-Benzisothiazol-3(2H)-one 43 FINAL              
95636 1,2,4-trimethylbenzene 14 FINAL 185 annual 1200 8 hr      
120821 1,2,4-trichlorobenzene   FINAL 4 annual          
95932 1,2,4,5-tetramethyl benzene   FINAL 20 annual          
95943 1,2,4,5-tetrachlorobenzene   FINAL 1 annual          
526738 1,2,3-trimethylbenzene 14 FINAL 185 annual 1200 8 hr      
96184 1,2,3-trichloropropane   FINAL 0.3 annual          
87616 1,2,3-trichlorobenzene   FINAL 27 annual          
68002200 1,2,3-triazine-2,4,6-triamine polymer with methylated formaldehyde   FINAL 0.1 annual          
634902 1,2,3,5-tetrachlorobenzene   FINAL 12 annual          
634662 1,2,3,4-tetrachlorobenzene   FINAL 120 annual          
2403896 1,2,2,6,6-pentamethyl-4-piperidinol   FINAL 0.1 annual          
612000 1,1-diphenylethane   FINAL 7 annual          
75376 1,1-difluoroethane   FINAL 400000 annual          
75343 1,1-dichloroethane   FINAL 500 annual          
1717006 1,1-dichloro-1-fluoroethane   FINAL 12800 annual          
3006868 1,1-di-(tert-buytlperoxy)cyclohexane   FINAL 0.1 annual          
79005 1,1,2-trichloroethane   FINAL 11 annual 160 24 hr 0.063 0.63 annual
76131 1,1,2-trichloro-1,2,2-trifluoroethane   FINAL 19140 24 hr          
18387194 1,1,2,4-tetramethyl-1-1-sila-2-aza-cyclopentane   FINAL 0.7 annual          
79345 1,1,2,2-tetrachloroethane   FINAL         0.02 0.2 annual
460731 1,1,1,3,3-pentafluoropropane   FINAL 2000 annual          
811972 1,1,1,2-tetrafluoroethane   FINAL 80000 annual          
630206 1,1,1,2-tetrachloroethane   FINAL         0.1 1 annual
13879328 1,1'[methylenebis(oxyethane-1,2-diloxy)]bisbenzene   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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