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1、UnitedStatesOfficeofWater832-F-99-046EnvironmentalProtectionWashington,D.C.September1999AgencyStormWaterManagementFactSheetVisualInspectionDESCRIPTIONADVANTAGESANDDISADVANTAGESVisualinspectionisaBestManagementPracticeVisualinspectionsareaneffectivewaytoiden
2、tify(BMP)inwhichmembersofaStormWateravarietyofproblems.CorrectingtheseproblemsPollutionPreventionTeamvisuallyexaminecanimprovethewaterqualityofthereceivingmaterialstorageandoutdoorprocessingareas,thewater.stormwaterdischargesfromsuchareas,andtheenvironmenti
3、nthevicinityofthedischarges,toLimitationsassociatedwithvisualinspectionsidentifycontaminatedrunoffanditspossibleincludethefollowing:sources.VisualinspectionsareeffectiveonlyforInavisualinspection,stormwaterrunoffmaybethoseareasclearlyvisibletothehumaneye.ex
4、aminedforthepresenceoffloatingandsuspendedmaterials,oilandgrease,discoloration,Theinspectionsneedtobeperformedbyturbidity,odor,orfoam;andstorageareasmaybequalifiedpersonnel.inspectedforleaksfromcontainers,discolorationsonthestorageareafloor,orotherindicatio
5、nsofaTobeeffective,inspectionsmustbecarriedpotentialforpollutantstocontaminatestormwateroutroutinely.Thisrequiresacorporaterunoff.commitmenttoimplementingthem.VisualinspectionsmayindicatetheneedtomodifyInspectorsneedtobeproperlymotivatedtoafacilitytoreducet
6、heriskofcontaminatingrunoff.performathoroughvisualinspection.APPLICABILITYKEYPROGRAMCOMPONENTSTheU.S.EPAhasrecognizedvisualinspectionasVisualinspectionsforsignsofstormwaterabaselineBMPforover10years.Itscontaminationshouldbeperformedroutinely.implementation,
7、however,hasbeensporadic.FlowsshouldbeobservedduringdryperiodstoImplementationmayincreaseasmorefacilitiesdeterminethepresenceofanystains,sludge,odors,developStormWaterPollutionPreventionPlans.andotherabnormalconditions.Implementationmayalsoincreaseasfacility
8、managementrecognizesvisualinspectiontobeVisualinspectionsshouldalsobemadeatallstormeffectivebothinprotectingwaterqualityandinwaterdischargeoutletlocationsduringthefirstreducingcosts.hourofastormevent,o
