MassTortDefense has posted on nanotechnology issues before.  In the past few months, the EPA has clarified its view of carbon nanotubes, 73 Fed. reg. 64946 (Oct. 31, 2008); has issued a new rule affecting 50 or more nanoparticles in use in industry, 73 Fed.Reg. 65743 (Nov.5, 2008); and has asked for public comment on a petition for rulemaking submitted concerning nanoscale silver. 73 Fed.Reg. 69644 (Nov.19, 2008).

These actions may be a precursor of a flood of government actions affecting nanotechnology by a new Administration.  Here are some links to help interested readers stay on top of these issues (no endorsement of content, as usual):

Centers for Disease Control and Prevention / NIOSH
U.S. Environmental Protection Agency
U.S. Food and Drug Administration
National Nanotechnology Initiative (NNI)
Dept. of Health and Human Services National Toxicology Program

Woodrow Wilson Center, Project on Emerging Nanotechnologies

International Council on Nanotechnology (ICON), Environmental, Health and Safety database: Nano Science and Technology Institute (NSTI)

NanoBusiness Alliance

European Commission
Cluster Science, including Nanoclusters and Nanoparticles
Virtual Journal of Nanoscience and Nanotechnology
NanoScience Today Imagazine