Designation:D6067−10StandardPracticeforUsingtheElectronicPiezoconePenetrometerTestsforEnvironmentalSiteCharacterization1ThisstandardisissuedunderthefixeddesignationD6067;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Theelectronicconepenetrometertestoftenisusedtodeterminesubsurfacestratigraphyforgeotechnicalandenvi-ronmentalsitecharacterizationpurposes(1).2Thegeotechnicalapplicationoftheelectronicconepenetrometertestisdis-cussedindetailinTestMethodD5778,however,theuseoftheelectronicconepenetrometertestinenvironmentalsitechar-acterizationapplicationsinvolvesfurtherconsiderationsthatarenotdiscussed.Forenvironmentalsitecharacterization,itishighlyrecommendedtousethePiezocone(PCPTorCPTu)optioninTestMethodD5778soinformationonhydraulicconductivityandaquiferhydrostaticpressurescanbeevalu-ated.1.2Thepurposeofthispracticeistodiscussaspectsoftheelectronicconepenetrometertestthatneedtobeconsideredwhenperformingtestsforenvironmentalsitecharacterizationpurposes.1.3Theelectronicconepenetrometertestforenvironmentalsitecharacterizationprojectsoftenrequiressteamcleaningthepushrodsandgroutingthehole.Therearenumerouswaysofcleaningandgroutingdependingonthescopeoftheproject,localregulations,andcorporatepreferences.Itisbeyondthescopeofthispracticetodiscussallofthesemethodsindetail.AdetailedexplanationofgroutingproceduresisdiscussedinGuideD6001.1.4Theelectronicconepenetrometermaybebecombinedwithotherdirectpushsamplingandtestingmethods.Estimatedsoiltypescanbeconfirmedbysoilsampling(GuideD6282).Conepenetrometertestsareoftenusedtolocateaquifersforinstallationofwells(PracticeD5092,GuideD6274).Conepenetrometerscanbeequippedwithadditionalsensorsforgroundwaterqualityevaluations(PracticeD6187).LocationofothersensorsmustconformtorequirementsofTestMethodD5778.1.5Thispracticeisap...
