California Board Rejects Prop. 65 Listing For Deltamethrin on Reproductive Toxicity

LOS ANGELES—A science advisory board for the California Office of Environmental Health Hazard Assessment decided March 18 against listing the insecticide deltamethrin (CAS No. 52918-63-5) as a reproductive toxicant under Proposition 65.

After evaluating OEHHA’s analysis of studies on the effects of deltamethrin exposure on laboratory animals, the agency’s Developmental and Reproductive Toxicant Identification Committee (DARTIC) voted 6-1 against listing the chemical for developmental toxicity, 7-0 against listing for female reproductive toxicity, and 5-2 against listing for male reproductive toxicity, OEHHA spokesman Sam Delson told BNA in an email following the vote.

Deltamethrin products are used mostly in structural pest ...