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ARTICLE · 11 AUGUST 2026

California Considering Amendments To Proposition 65 Regulations

Greenberg Glusker LLP
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Proposition 65 (Prop. 65) requires businesses to provide warnings to individuals in California before knowingly and intentionally exposing them to chemicals known to the state of California to cause cancer and/or reproductive harm.

United StatesEnvironment
Sedina L. Banks
Sedina L. Banks
Sherry E. Jackman
Sherry E. Jackman
Bryce Lourié
Bryce Lourié
Kaylinn Charnley
Kaylinn Charnley
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Proposition 65 (Prop. 65) requires businesses to provide warnings to individuals in California before knowingly and intentionally exposing them to chemicals known to the state of California to cause cancer and/or reproductive harm.

On July 30, 2026, we attended the California Office of Environmental Health Hazard Assessment’s (OEHHA) pre-regulatory workshop discussing proposed amendments to the Prop. 65 regulations. OEHHA emphasized that this workshop was for discussion purposes only, and that it is possible that the proposed amendments will not be included in any future rulemakings.

Some of the proposed amendments involve technical changes or changes to clarify language, but a few more substantive changes are worth highlighting:

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