May 29, 2009 Carcinogen Identification Committee Meeting

The Carcinogen Identification Committee of OEHHA’s Science Advisory Board identifies chemicals for addition to the list of chemicals known to the State to cause cancer (Health and Safety Code section 25249.8).  The Committee serves as the “State’s Qualified Experts” for determining whether a chemical has been clearly shown, through scientifically valid testing according to generally accepted principles, to cause cancer.

A public meeting of this committee will be held on Friday, May 29, 2009 at the California Environmental Protection Agency Headquarters Building, Sierra Hearing Room, at 1001 I Street, Sacramento, California, beginning at 10:00 a.m. and continuing until all business has been conducted, or 5:00 p.m.  If you have special accommodation or language needs, please contact the Proposition 65 Office at (916) 445-6900 or sam.delson@oehha.ca.gov by May 21, 2009.  TTY/TDD/Speech-to-Speech users may dial 7-1-1 for the California Relay Service.

SUMMARY OF CHEMICAL PRIORITIZATION DISCUSSION

The CIC recommended that 9 of the 38 chemicals referred to them for advice and consultation be placed in the ‘high’ priority group, w13 chemicals be placed in the ‘medium’ priority group, and the remaining 16 be placed in the ‘low’ priority group (see table below for specific suggestions concerning chemical priority assignments.)  For more information on the prioritization process for chemicals, please follow this link.

Summary of Chemical Prioritizations

High Medium Low
Amphetamine and its salts 11-Aminoundecanoic acid

2-Amino-5-nitrothiazole

1,3-Dichloro-2-propanol Aspartame** Anthanthrene
Diisononyl phthalate (DINP)* Dicofol Benoxacor
2,6-Dimethyl-N-nitroso-morpholine Diethanolamine (DEA) 2-Chloro-1,1,1-trifluoroethane
Fluoride and its salts Hydroquinone D & C Yellow #11
Haloperidol Methoxychlor N,N-Diethylthiourea
3-Monochloropropane-1,2-diol (3-MCPD) Methyl ethyl ketoxime 1,3-Dinitropyrene
N-Nitrosohexamethyleneneimine 3-Nitrofluoranthene Ethylnodiol diacetate
Perfluorooctanoic acid (PFOA) and its salts and transformation and degradation precursors N-Nitrosoanabasine Molybdenum trioxide
  Permethrin Nitrofurantoin
  Tetrachlorvinphos 5-Nitro-o-toluidine
  Thiamethoxam Rock wool
  Tris(1,3-dichloro-2-propyl) phosphate (TDCPP) Triamterene
    Triclosan
    Triethanolamine (TEA)
    Vinylidene chloride

*The Committee recommended putting DINP towards the bottom of the "High" category depending on exposure considerations.

**The committee recommended putting aspartame at the bottom of the "medium" category.

SUMMARY OF THE LISTING DECISION FOR MARIJUANA SMOKE

Following a staff presentation, comments from the public and committee discussion the CIC determined that Marijuana Smoke has been clearly shown to cause cancer; and therefore will be added to the Proposition 65 chemical list.

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