The Proposition 65 List

Current Proposition 65 List

The current Proposition 65 list is available on-line below, as a pdf or Excel download or through WestLaw. The Excel document also includes the listing mechanism for each chemical listing and the safe harbor level, if one has been adopted. A hyperlink is provided for those chemicals for which the basis for listing documentation is available electronically.

What types of chemicals are on the Proposition 65 list?

The list contains a wide range of naturally occurring and synthetic chemicals that cause cancer or birth defects or other reproductive harm. These chemicals include additives or ingredients in pesticides, common household products, food, drugs, dyes, or solvents. Listed chemicals may also be used in manufacturing and construction, or they may be byproducts of chemical processes, such as motor vehicle exhaust. Learn how chemicals are added to the list.

Proposition 65 List

Chemical Name Type of Toxicity (Date Listed) & Basis for Listing
Linuron Developmental Toxicity (03/19/1999)

Authoritative Bodies-US Environmental Protection Agency

Lithium Carbonate Developmental Toxicity (01/01/1991)

Formally Required

Lithium Citrate Developmental Toxicity (01/01/1991)

Formally Required

Lorazepam Developmental Toxicity (07/01/1990)

Formally Required

Lovastatin Developmental Toxicity (10/01/1992)

Formally Required

Lynestrenol Cancer (02/27/2001)

Authoritative Bodies-International Agency for Research on Cancer

Malathion Cancer (05/20/2016)

Labor Code

Malonaldehyde, Sodium Salt Cancer (05/03/2011)

Authoritative Bodies-National Toxicology Program

Mancozeb Cancer (01/01/1990)

Authoritative Bodies-US Environmental Protection Agency

Maneb Cancer (01/01/1990)

Authoritative Bodies-US Environmental Protection Agency

Cannabis (Marijuana) Smoke Cancer (06/19/2009)

State's Qualified Experts

Developmental Toxicity (01/03/2020)

State's Qualified Experts

Me-A-alpha-C (2-Amino-3-methyl-9H-pyrido[2,3-b]indole) Cancer (01/01/1990)

Authoritative Bodies-International Agency for Research on Cancer

Mebendazole Developmental Toxicity (08/20/1999)

Formally Required

Nitrogen Mustard (Mechlorethamine) Cancer (01/01/1988)

State's Qualified Experts

Developmental Toxicity (01/01/1989)

State's Qualified Experts

Nitrogen Mustard Hydrochloride (Mechlorethamine Hydrochloride) Cancer (04/01/1988)

State's Qualified Experts

Developmental Toxicity (07/01/1990)

Formally Required

Medroxyprogesterone Acetate Cancer (01/01/1990)

Authoritative Bodies-International Agency for Research on Cancer

Developmental Toxicity (04/01/1990)

Formally Required

Megestrol Acetate Cancer (03/28/2014)

Formally Required

Developmental Toxicity (01/01/1991)

Formally Required

MeIQ (2-Amino-3,4-dimethylimidazo[4,5-f]quinoline) Cancer (10/01/1994)

Authoritative Bodies-International Agency for Research on Cancer

MeIQx (2-Amino-3,8-dimethylimidazo[4,5-f]quinoxaline) Cancer (10/01/1994)

Authoritative Bodies-International Agency for Research on Cancer

Melphalan Cancer (02/27/1987)

Labor Code

Developmental Toxicity (07/01/1990)

Formally Required

Pages