A new bill has been introduced to overhaul (or "upgrade" or "expand governmental control" – depending upon your political bent) the Toxic Substances Control Act of 1976  (TSCA). The current bill, called the Safe Chemicals Act of 2010,  would require manufacturers to submit information proving the safety of chemicals they currently produce, as well as any new chemical seeking to enter the market. (The 1976 Act essentially grandfathered-in chemicals being produced at that time.) Below are cites to news articles discussing the bill:

http://www.time.com/time/health/article/0,8599,1982489,00.html

http://ehstoday.com/environment/news/congress-safe-chemicals-act-reform-management-9818/

http://www.ens-newswire.com/ens/apr2010/2010-04-15-091.html

Here is the EPA's summary of the current TSCA: http://www.epa.gov/lawsregs/laws/tsca.html

In addition, the EPA has issued an Advance Notice of Proposed Rulemaking (ANPR) concerning its oversight of PCBs (polychlorinated biphenyls), specifically, "on the Agency's potential reassessment of its current authorizations for PCB use and distribution in commerce." See here  for the notice of the public meetings on the proposed changes.