Designation:D5879−95(Reapproved2010)StandardPracticeforSurfaceSiteCharacterizationforOn-SiteSepticSystems1ThisstandardisissuedunderthefixeddesignationD5879;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversproceduresforthecharacterizationofsurfaceconditionsatasiteforevaluatingsuitabilityforanon-sitesepticsystemfordisposalandtreatmentofwastewater.Thispracticeprovidesamethodforidentifyingpotentiallysuitableareasforsoilabsorptionofseptictankwastewater.1.2Thispracticecanbeusedatanysitewhereon-sitetreatmentofresidentialandnonhazardouscommercialwaste-watersusingseptictanksandnaturalsoilsorconstructedfilterbedsisrequiredoranoptionunderconsideration.Thispracticemayalsobeusefulwhenconstructedwetlandsareusedasanalternativewastewatertreatmentmethod.1.3ThispracticeshouldbeusedinconjunctionwithPrac-ticesD5921andD5925.1.4Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject’smanyuniqueaspects.Theword“Standard”inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.2.ReferencedDocuments2.1ASTMStandards:2D5921PracticeforSubsurfaceSiteCharacterizationofTestPitsforOn-SiteSepticSystemsD5925PracticeforPreliminarySizingandDelineationofSoilAbsorptionFieldAreasforOn-SiteSepticSystems(Withdrawn2005)33.Terminology3.1clinometer,n—aninstrumentformeasuringinclination,asintopographicslope.3.2constructedfilterbed,n—amaterial,usuallyofasandytexture,placedabov...
