The OEHHA with their: Announcement of Chemicals Selected by OEHHA for Consideration for Listing by the Carcinogen Identification Committee and Request for Relevant Information on the Carcinogenic Hazards of These Chemicals (available here. It states, in part:

OEHHA has selected three chemicals for the Committee’s review for possible listing under Proposition 65 and is initiating the development of hazard identification materials on these chemicals…

N,N-Dimethylformamide (68-12-2)

Marijuana smoke

2,4,6-Trinitrotoluene (TNT) (118-96-7)

These chemicals were selected using the procedure described in the document entitled: “Process for Prioritizing Chemicals for Consideration under Proposition 65 by the Sate’s Qualified Experts,” adopted in 2004, and available on the Internet at…

By this notice, OEHHA is providing the public an opportunity to provide information relevant to the assessment of the evidence of carcinogenicity for any of the chemicals listed in Table 1. Relevant information includes but is not limited to: cancer bioassays, cancer epidemiological studies, genotoxicity testing, and other pertinent data on pharmacokinetics, biomarkers, and effects on biochemical and physiological processes in humans for any of the three chemicals. Interested parties or members of the public wishing to provide such information should send it to the address given below.

The publication of this notice marks the start of a 60-day data call-in period. This period will end on Tuesday, February 20, 2008. The information received during this data call-in period will be reviewed and considered by OEHHA as it prepares the cancer hazard identification materials on these chemicals. This request for information is the next step in the process described in the 2004 prioritization procedure.

For more information click on the above link.