Prop.65 Clearinghouse
NEWS
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.
OEHHA Proposes Cancer Air Quality Guidelines Citing Concern Over Elevated Cancer Risks
The Office of Environmental Health Hazard Assessment (OEHHA) has proposed issuing its first ever cancer air quality guidelines for the toxic air contaminant acrolein, noting that initial data show it poses a concerning level of cancer risk, but that more research is needed.
OEHHA Seeks Advice from DARTIC on Possible Prop. 65 Listing of P,p'-bisphenol Chemicals
The Office of Environmental Health Hazard Assessment (OEHHA) has announced it will hold a meeting of the Developmental and Reproductive Toxicant Identification Committee (DARTIC) in order to update the committee on its proposal to list the class of p,pʹ'-bisphenol chemicals under Proposition 65.
DTSC Finds Children Face Low Exposure Risk from Styrene in Toys, Other Products
As part of its work implementing the Safer Consumer Products (SCP) Program, the Department of Toxic Substances Control (DTSC) has concluded that children face a low risk of being exposed to styrene from products such as toys, clothing, and personal care products.
OEHHA Proposes Listing Welding Fumes and Three Medications Under Prop. 65
The Office of Environmental Health Hazard Assessment (OEHHA) has proposed listing welding fumes, and three medications—hydrochlorothiazide, voriconazole, and tacrolimus—as carcinogens under Proposition 65.
New Appellate Court Ruling Rejects Bid to Void Prop. 65 60-day Notice
Echoing a similar recent ruling, a state appellate court has upheld the validity of a 60-day notice of violation issued under Proposition 65, rejecting the contention that the notice was defective because it included the incorrect contact person.
FYI Column: May 2026
Here is a roundup of recent news articles that may be of interest to Prop. 65 Clearinghouse readers.
Several Major Companies Seek to Coordinate Prop. 65 Litigation Over Cadmium in Food
Proposition 65 litigation over cadmium in foods is heating up, with defense attorneys representing major food companies petitioning the California Judicial Council to coordinate more than 20 cases pending in Alameda and San Francisco County Superior Courts.