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
N-Nitrosopyrrolidine Cancer (10/01/1987)

State's Qualified Experts

N-Nitrososarcosine Cancer (01/01/1988)

State's Qualified Experts

o-Nitrotoluene Cancer (05/15/1998)

Authoritative Bodies-National Toxicology Program

Nitrous Oxide Developmental Toxicity (08/01/2008)

Authoritative Bodies-National Institute for Occupational Safety and Health

Female Reproductive Toxicity (08/01/2008)

Authoritative Bodies-National Institute for Occupational Safety and Health

Norethisterone (Norethindrone) Cancer (10/01/1989)

Labor Code

Developmental Toxicity (04/01/1990)

Formally Required

Norethisterone (Norethindrone) /Ethinyl Estradiol Developmental Toxicity (04/01/1990)

Formally Required

Norethisterone (Norethindrone) /Mestranol Developmental Toxicity (04/01/1990)

Formally Required

Norethisterone Acetate (Norethindrone Acetate) Developmental Toxicity (10/01/1991)

Formally Required

Norethynodrel Cancer (02/27/2001)

Authoritative Bodies-International Agency for Research on Cancer

Norgestrel Developmental Toxicity (04/01/1990)

Formally Required

Ochratoxin A Cancer (07/01/1990)

Authoritative Bodies-National Toxicology Program

Oil Orange SS Cancer (04/01/1988)

State's Qualified Experts

Oral Contraceptives, Combined Cancer (10/01/1989)

Labor Code

Oral Contraceptives, Sequential Cancer (10/01/1989)

Labor Code

Oryzalin Cancer (09/12/2008)

Authoritative Bodies-US Environmental Protection Agency

Oxadiazon Cancer (07/01/1991)

State's Qualified Experts

Developmental Toxicity (05/15/1998)

Authoritative Bodies-US Environmental Protection Agency

Oxazepam Cancer (10/01/1994)

Authoritative Bodies-National Toxicology Program

Developmental Toxicity (10/01/1992)

Formally Required

Oxydemeton Methyl Female Reproductive Toxicity (11/06/1998)

Authoritative Bodies-US Environmental Protection Agency

Male Reproductive Toxicity (11/06/1998)

Authoritative Bodies-US Environmental Protection Agency

Oxymetholone Cancer (01/01/1988)

State's Qualified Experts

Developmental Toxicity (05/01/1997)

Formally Required

Oxytetracycline (internal use) Developmental Toxicity (01/01/1991)

Formally Required

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