01596oam 2200421 a 450 991070013560332120110307103521.0(CKB)5470000002407612(OCoLC)664272036(EXLCZ)99547000000240761220100916d2010 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierNanotechnology[electronic resource] nanomaterials are widely used in commerce, but EPA faces challenges in regulating risk : report to the Chairman, Committee on Environment and Public Works, U.S. Senate /United States Government Accountability Office[Washington, D.C.] :U.S. Govt. Accountability Office,[2010]1 online resource (ii, 59 pages) illustrationsTitle from PDF title screen (GAO, viewed Sept. 16, 2010)."May 2010.""GAO-10-549."Includes bibliographical references.Nanotechnology NanotechnologyGovernment policyUnited StatesNanotechnologyUnited StatesRegulationScience and stateUnited StatesNanotechnologyGovernment policyNanotechnologyRegulation.Science and stateUnited States.Congress.Senate.Committee on Environment and Public Works.LRFLRFGPOBOOK9910700135603321Nanotechnology328301UNINA