Designation:E1912–98(Reapproved2004)StandardGuideforAcceleratedSiteCharacterizationforConfirmedorSuspectedPetroleumReleases1ThisstandardisissuedunderthefixeddesignationE1912;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversaprocesstorapidlyandaccuratelycharacterizeaconfirmedorsuspectedpetroleumreleasesite.Thisguideisintendedtoprovideaframeworkforresponsibleparties,contractors,consultants,andregulatorstostreamlineandacceleratethesitecharacterizationprocessorsupplementincompletecharacterizationdata.Theacceleratedsitecharac-terization(ASC)approachmaybeincorporatedinstateandlocalregulationsasacost-effectivemethodofmakingin-formedcorrectiveactiondecisionssooner.1.2Thisguidedescribesaprocessforcollectingsitechar-acterizationinformationinonemobilization,usingrapidsam-plingtechniques;fieldanalyticalmethods;andon-siteinter-pretationanditerationoffielddatatorefinetheconceptualmodelforunderstandingsiteconditionsasthecharacterizationproceeds.Thisinformationcanbeusedtodeterminetheneedforinterimremedialactions;siteclassificationorprioritization,orboth;furthercorrectiveactions;andactiveremediation.Theprocessoutlinedinthisguidecanbeincorporatedintoexistingcorrectiveactionprograms,andisorganizedtobeusedinconjunctionwithGuidesE1599andE1739.1.3Forguidanceconcerningcontractorhealthandsafetyissues,appropriatefederal,state,andlocalregulations(forexample,OccupationalSafetyandHealthAdministration)andindustrystandardsshouldbeconsulted.Forsamplingqualityassurance/qualitycontrol(QA/QC)practices,seereferencesinSection2.Considerationsforfieldanalyticalmethodqualityassurance/qualitycontrolarediscussedinSection5.1.4Thisguideisorganizedasfollows:1.4.1Section1describesthescope,1.4.2Section2listsReferencedDocuments,1.4.3Section3definesTerminology,1.4.4Section4identifi...
