01801nam 2200409 450 991070481760332120131021151810.0(CKB)5470000002445563(OCoLC)861189450(EXLCZ)99547000000244556320131021d2013 ua 0engurmn|||||||||rdacontentrdamediardacarrierCritical infrastructure protection DHS needs to improve its risk assessments and outreach for chemical facilities : testimony before the Subcommittee on Cybersecurity, Infrastructure Protection, and Security Technologies, Committee on Homeland Security, House of Representatives /statement of Stephen L. Caldwell[Washington, D.C.] :United States Government Accountability Office,2013.1 online resource (18 pages) color illustrationsTestimony ;GAO-13-801TTitle from title screen (viewed Oct. 17, 2013)."For release ... August 1, 2013."Includes bibliographical references.Critical infrastructure protection Hazardous waste sitesSecurity measuresUnited StatesNational securityUnited StatesHazardous waste sitesSecurity measuresNational securityCaldwell Stephen L.1381588United States.Congress.House.Committee on Homeland Security.Subcommittee on Cybersecurity, Infrastructure Protection, and Security Technologies,United States.Government Accountability Office,GPOGPOBOOK9910704817603321Critical infrastructure protection3470502UNINA