There will be a conference to discuss nanomaterials and the possible harmful effects on workers in July 2010. The conference, co-sponsored by NIOSH, will be held in Keystone, Colo., and will focus on medical surveillance, exposure registries and epidemiologic research relative to workers dealing with nanomaterials. The agenda and registration information can be found at: http://www.cdc.gov/niohs/topics/nanotech/keystone2010.