SACRAMENTO – State officials announced Friday that they're adding marijuana smoke to the list of items known to cause cancer.

The Office of Environmental Health Hazard Assessment (OEHHA) of the California Environmental Protection Agency said they're adding marijuana smoke to the Proposition 65 list. The listing was effective as of Friday.

Marijuana smoke was considered by the Carcinogen Identification Committee (CIC) of the OEHHA Science Advisory Board at a public meeting held on May 29.

The CIC determined that marijuana smoke was clearly shown, through scientifically valid testing according to generally accepted principles, to cause cancer.

Consequently, marijuana smoke is being added to the Proposition 65 list, pursuant to Title 27, California Code of Regulations, section 25305(a)(1) (formerly Title 22, California Code of Regulations, section 12305(a)(1)).

Items on the 18-page list include tobacco products, lead, hexavalent chromium, benzene and sulfuric acid, along with numerous other chemicals.

Also listed: Aspirin.