Designation:D887−13(Reapproved2022)StandardPracticesforSamplingWater-FormedDeposits1ThisstandardisissuedunderthefixeddesignationD887;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesepracticescoverthesamplingofwater-formeddepositsforchemical,physical,biological,orradiologicalanalysis.Thepracticescoverbothfieldandlaboratorysam-pling.Italsodefinesthevarioustypesofdeposits.Thefollowingpracticesareincluded:SectionsPracticeA—SamplingWater-FormedDepositsFromTubingofSteamGeneratorsandHeatExchangers8to10PracticeB—SamplingWater-FormedDepositsFromSteamTurbines11to141.2Thegeneralproceduresofselectionandremovalofdepositsgivenherecanbeappliedtoavarietyofsurfacesthataresubjecttowater-formeddeposits.However,theinvestigatormustresorttohisindividualexperienceandjudgmentinapplyingtheseprocedurestohisspecificproblem.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.SeeSection7,9.8,9.8.4.6,and9.14forspecifichazardsstatements.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D512TestMethodsforChlorideIonInWater(Withdrawn2021)3D934PracticesforIdentificationofCrystallineCompoundsinWater-FormedDepositsByX-RayDiffr...
