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100   $a20130508d2013      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $2rdacontent
182   $2rdamedia
183   $2rdacarrier
200 10$aCritical infrastructure protection $epreliminary observations on DHS efforts to assess chemical security risk and gather feedback on facility outreach : testimony before the Subcommittee on Environment and the Economy, Committee on Energy and Commerce, House of Representatives /$fstatement of Stephen L. Caldwell
210  1$a[Washington, D.C.] :$cUnited States Government Accountability Office,$d2013.
215   $a1 online resource (16 pages) $ccolor illustration
225 1 $aTestimony ;$vGAO-13-412T
300   $aTitle from title screen (viewed Apr. 26, 2013).
300   $a"For release ... March 14, 2013."
320   $aIncludes bibliographical references.
517   $aCritical infrastructure protection 
606   $aHazardous substances$xSecurity measures$zUnited States
606   $aTerrorism$xPrevention$xGovernment policy$zUnited States
615  0$aHazardous substances$xSecurity measures
615  0$aTerrorism$xPrevention$xGovernment policy
700   $aCaldwell$b Stephen L.$01381588
712 02$aUnited States.$bCongress.$bHouse.$bCommittee on Energy and Commerce.$bSubcommittee on Environment and the Economy,
712 02$aUnited States.$bGovernment Accountability Office,
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910704526703321
996   $aCritical infrastructure protection$93470502
997   $aUNINA