Designation:D7353−21StandardPracticeforSamplingofLiquidsinWasteManagementActivitiesUsingaPeristalticPump1ThisstandardisissuedunderthefixeddesignationD7353;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheuseofaperistalticpumpforsamplingliquidsfrommultipledepths.Itisapplicableforawiderangeoffluidsincluding:high-viscosityfluids,aggressiveandcorrosivefluids,high-puritysolutions,andabrasivefluids.Itisespeciallyusefulforsamplingliquidsthatrequirecom-pleteisolationfromthepump.1.2Thispracticeincludesthedeterminationofsampledepth,pumpsetup,andcollectingasampletobeanalyzed.1.3Thispracticeisnotintendedtogivedetailedinstructionsforrunningaperistalticpumportorecommendwhichperi-stalticpumptopurchase.Itinstructsthefieldpersonnelhowtoconnectthepumpandcollectasample.1.4Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.ReportingoftestresultsinunitsotherthanSIshallnotberegardedasnonconformancewiththisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D4448GuideforSamplingGround-WaterMonitoringWellsD4687GuideforGeneralPlanningofWasteSamplingD4840Gu...
