Designation:D7262−10StandardTestMethodforEstimatingthePermanganateNaturalOxidantDemandofSoilandAquiferSolids1ThisstandardisissuedunderthefixeddesignationD7262;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoverstheestimationoftheperman-ganatenaturaloxidantdemand(PNOD)throughthedetermi-nationofthequantityofpotassiumpermanganate(KMnO4)thatorganicmatterandothernaturallyoccurringoxidizablespeciespresentinsoiloraquifersolidswillconsumeunderspecifiedconditionsasafunctionoftime.Oxidizablespeciesmayincludeorganicconstituentsandoxidizableinorganicions,suchasferrousironandsulfides.Thefollowingtestmethodsareincluded:TestMethodA—48-hourPermanganateNaturalOxidantDemandTestMethodB—PermanganateNaturalOxidantDemandKinetics1.2Thistestmethodislimitedbythereagentsemployedtoapermanganatenaturaloxidantdemand(PNOD)of60gKMnO4perkgsoiloraquifersolidsafteraperiodof48hours(MethodA)ortwoweeks(MethodB).1.3AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.4Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttointerprettheresultsofthedata.Itistheresponsibilityoftheuserofthisstandardtointerprettheresultsobtainedandtodeterminetheapplicabilityoftheseresultspriortouse.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D653TerminologyRelatingtoSoil,Rock,andContainedFluidsD1193SpecificationforReagentWaterD3740PracticeforMinimumRequirementsforAgenciesEngagedinTestingand/orInspectionofSoilan...
