Designation:D5715−14StandardPracticeforEstimatingtheDegreeofHumificationofPeatandOtherOrganicSoils(Visual/ManualMethod)1ThisstandardisissuedunderthefixeddesignationD5715;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversthevisualdeterminationofthedegreeofhumificationofpeatandotherhighlyorganicsoils.Thispracticeisnotusedforthedeterminationofthedegreeoforganicdecompositionoforganicmatterinmineralsoils.1.2Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject’smanyuniqueaspects.Theword“Standard”inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthoughtheASTMconsensusprocess.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D653TerminologyRelatingtoSoil,Rock,andContainedFluidsD2944PracticeofSamplingProcessedPeatMaterialsD2974TestMethodsforMoisture,Ash,andOrganicMatterofPeatandOtherOrganicSoilsD4427ClassificationofPeatSamplesbyLaboratoryTesting3.Terminology3.1Definitions:3.1.1Fordefinitionsofcommontechnicaltermsinthispractice,refertoTerminologyD653.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1degreeofhumification—asdefinedbythispractice,degreeofhumificationreferstoanyoneoftencategories(indicatedbytheletter“H”),withH1beingthelea...
