2nd Extension of Comment Period - MADL for Atrazine, Propazine, Simazine, 2,3-Diamino-6-Chloro-S-Triazine (DACT), Des-Ethyl Atrazine (DEA), and Des-Isopropyl Atrazine (DIA)

On June 12, 2015, OEHHA published a notice in the California Regulatory Notice Register proposing to adopt Maximum Allowable Dose Levels (MADLs) of 100 micrograms per day for oral exposure to atrazine, propazine, simazine, 2,3-diamino-6-chloro-s-triazine (DACT)*, des-ethyl atrazine (DEA), and des-isopropyl atrazine (DIA), by amending Title 27, California Code of Regulations, section 25805.

Publication of the initial notice initiated a 45-day public comment period that was scheduled to close on July 27, 2015. OEHHA initially extended the public comment period to October 1, 2015 due to a pending court hearing on Syngenta Crop Protection’s legal challenge to the listing of these chemicals.  OEHHA has been notified that the court hearing has been rescheduled. OEHHA hereby extends the comment period to December 14, 2015. 1

Written comments, along with any supporting documentation, may be transmitted via email addressed to monet.vela@oehha.ca.gov or to:

Ms. Monet Vela
Office of Environmental Health Hazard Assessment Street
Address: 1001 I Street, 23rd Floor
Sacramento, California 95814

Mailing Address:  P.O. Box 4010
Sacramento, California 95812-4010

Fax No.:  (916) 323-2517    
Telephone: (916) 323-2610

*Note: DACT was incorrectly identified as 2,3-diamino-6-chloro-s-triazine (instead of 2,4-diamino-6-chloro-s-triazine). That typographical error will be corrected when the chemicals are ultimately added to the list.

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