NEWS

DTSC Formally Names PPD Derivatives as Candidate Chemicals

The California Department of Toxic Substances Control (DTSC) has finalized its listing of para-Phenylenediamine (PPD) derivatives as candidate chemicals under the state's Safer Consumer Products (SCP) program.

Appellate Court Dismisses Prop. 65 Case Citing Prior Legal Settlement

A state appellate court has upheld a lower court ruling that tossed out a Proposition 65 lawsuit on the grounds that a prior case had already settled the same claims.

FYI Column: August 2026

Here is a roundup of recent news articles that may be of interest to Prop. 65 Clearinghouse readers.

9th Circuit Calls on EPA to Redo TSCA Rule on Flame Retardant

The U.S. Environmental Protection Agency (EPA) violated the Toxic Substances Control Act (TSCA) when it approved a rule regulating the use and disposal of the flame retardant decabromodiphenyl ether (decaBDE), the 9th U.S. Circuit Court of Appeals has ruled.

Prop. 65 60-Day Notices Roundup and Analysis: March 2026

In the month of March, there were a total of 527 60-day notices of violation filed with the California Attorney General's office.

OEHHA Finalizes Prop. 65 Listing of Welding Fumes and Three Medications

The Office of Environmental Health Hazard Assessment (OEHHA) has formally listed welding fumes and three medications—hydrochlorothiazide, voriconazole, and tacrolimus—as carcinogens under Proposition 65.

OEHHA Proposes Changes to Prop. 65 Implementing Regulations

The Office of Environmental Health Hazard Assessment (OEHHA) has proposed a series of amendments to its Proposition 65 implementing regulations, including providing more warning options for certain products, addressing internet warnings, and allowing the use of QR codes to provide a warning.

Mercury Policy Project, Walmart, Reach $1.15 Million Prop. 65 Settlement

The Mercury Policy Project has reached a $1.15 million settlement with Walmart Inc. over alleged violations of Proposition 65 related to online sales of skin creams containing mercury and mercury compounds.

OEHHA Announces It May Amend Prop. 65 Regulations

The Office of Environmental Health Hazard Assessment (OEHHA) has announced plans to make potential amendments to its Proposition 65 implementing regulations.

U.S. Supreme Court Overturns State Verdict on Roundup Cancer Warning Claim

The U.S. Supreme Court has overturned a Missouri state court ruling that found the maker of the widely-used herbicide Roundup—Monsanto Co.—was liable under state tort law for failing to provide a cancer warning.

DTSC Advances Safer Consumer Products Rules on Microplastics, Nail Products

The California Department of Toxic Substances Control (DTSC) has approved listing microplastics as a candidate chemical under the Safer Consumer Products (SCP) Program, paving the way for future regulation of specific products containing microplastics.

FYI Column: July 2026

Here is a roundup of recent news articles that may be of interest to Prop. 65 Clearinghouse readers.

Appellate Court Again Rules in Favor of Plaintiffs in Prop. 65 60-Day Notice Dispute

Another state appellate court has sided with Prop. 65 plaintiffs over the question of who can be listed as a contact person on a 60-day notice of violation.

DTSC Moves for Accelerated Ban on Hydrofluoric Acid (HF) in Cleaning Products

The Department of Toxic Substances Control (DTSC) is proposing to ban hydrofluoric acid (HF) in cleaning products, invoking for the first time an authority granted by a 2022 law that allows the agency to act more quickly to remove products from the market.

State Water Board Finalizes Stricter Drinking Water Guidelines for Manganese

The State Water Resources Control Board (SWB) has adopted more stringent drinking water monitoring guidelines for manganese and has taken the initial step toward developing a regulatory limit on the chemical.

Prop. 65 60-Day Notices Roundup and Analysis: February 2026

In the month of February, there were a total of 455 60-day notices of violation filed with the California Attorney General's office.

Court Blocks Prop. 65 Warning Requirement for Diethanolamine (DEA) in Personal Care Products

A federal court has ordered the state of California to stop enforcement of the Prop. 65 warning requirement for diethanolamine (DEA) in personal care products, after the California Attorney General's office agreed to throw in the towel in a legal fight that had barely started.

OEHHA, Facing Business Critics, Doubles Down on Proposed Safe Harbor Level for DEA

The Office of Environmental Health Hazard Assessment (OEHHA) has released an amended proposal to set a safe harbor level for dermal exposures to diethanolamine (DEA) under Proposition 65—calling for a more stringent level than it did previously.

FYI Column: June 2026

Here is a roundup of recent news articles that may be of interest to Prop. 65 Clearinghouse readers.

Prop. 65 60-Day Notices Roundup and Analysis: January 2026

In the month of January, there were a total of 522 60-day notices of violation filed with the California Attorney General's office.