01782nam 2200409 a 450 991070233060332120121217144934.0(CKB)5470000002426855(OCoLC)821686420(EXLCZ)99547000000242685520121217d2012 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierCritical infrastructure protection[electronic resource] DHS is taking action to better manage its chemical security program, but it is too early to assess results : testimony before the Subcommittee on the Environment and the Economy, Committee on Energy and Commerce, House of Representatives /statement of Cathleen A. Berrick[Washington, D.C.] :U.S. Govt. Accountability Office,[2012]1 online resource (10 pages) color illustrationsTestimony ;GAO-12-567TTitle from title screen (viewed Dec. 10, 2012)."For release ... September 11, 2012."Includes bibliographical references.Critical infrastructure protection Hazardous waste sitesSecurity measuresUnited StatesNational securityUnited StatesHazardous waste sitesSecurity measuresNational securityBerrick Cathleen A1381679United States.Congress.House.Committee on Energy and Commerce.Subcommittee on Environment and the Economy.United States.Government Accountability Office.GPOGPOBOOK9910702330603321Critical infrastructure protection3501938UNINA