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1、SiteCharacterization&RemediationIntroductoryTrainingforAndreaPOCHERMilan,Italy–28September2010IntroductionintoHydrogeologyandSiteCharacterisationImaginetheresultAGENDA?SiteConceptualModel?SiteCharacterization?IntroductionintoHydrogeology?SiteInvestigationsTec
2、hniquesSiteArepresentationofsiteconditionsdevelopedusingreadilyavailable(existing)datathatConceptualillustratestherelationshipbetweenModelcontaminants,transportmediaandreceptors.SimpleSite=SimpleSiteConceptualModelComplexSite=ComplexSiteConceptualModelStagedP
3、rocessPurpose:?Summarizeinformationalreadyknownaboutthesite?HelpidentifyadditionalinformationthatmustbeobtainedtroughtheSiteCharacterizationSiteASiteCharacterizationgenerallyisundertakento:Characterization?Confirmthepresenceorabsenceofcontaminants?Delineateth
4、enatureandextentofcontamination?Identifycontaminantsources?Providethedatanecessarytoassesspotentialrisktohumanhealthand/ortheenvironment?Understandsitecharacteristicsimpactingtheremedydesign,construction,oroperation?EvaluateperformanceofaremedialactionSite?Si
5、teCharacterizationPurposesCharacterization?ReviewtheExistingInformationSteps?DeveloptheInitialSiteConceptualModel?DeveloptheDataCollectionPlan?DataCollectionandAnalysis?DataEvaluationandSiteConceptualModelRefinementSite?Geology/hydrogeologyofthesiteCharacteri
6、zation?NatureandextentofcontaminationPurposes?Migrationpathways?PointsofexposureReviewExisting?Detailsregardingstorage,useandsitefeaturesInformation?Informationoncurrentandpastowners,sitehistory,utilitiesmaps,siteinvestigationandincidentreports?Informationona
7、ctiveandinactiveUndergroundStorageTankUST(UST),AbovegroundStorageTank(AST)andonLeakingUST(LUST)?Topographicandgeologicmaps,geologic/hydrogeologicreports,aerialphotographsInitialSite?ExpectedgeologicandhydrogeologicconditionsConceptual?PotentialsourceareasMode
8、l?Potentialmigrationpathways?Potentialreceptors?SamplingconstraintsDataCollection?Identifywhichdataisneeded(datagaps)Plan?Identifyappropriatesamplingtools?Potentialsampliglocation?Samplin
