Designation:D3740−19StandardPracticeforMinimumRequirementsforAgenciesEngagedinTestingand/orInspectionofSoilandRockasUsedinEngineeringDesignandConstruction1ThisstandardisissuedunderthefixeddesignationD3740;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thispracticeestablishesminimumqualificationsforagenciesengagedinthetestingandinspectionofsoilandrock.Minimumrequirementsforfieldandlaboratorypersonnelaredefined.Thepracticealsocoverstheestablishmentandmain-tenanceofaqualitysystem.1.2Criteriaareprovidedforevaluatingthecapabilityofanagencytoproperlyperformdesignatedtestsonsoilandrock,andforestablishingessentialcharacteristicspertainingtoanagency’sorganization,personnel,facilities,andqualitysystem.Thispracticemaybesupplementedbymorespecificcriteriaandrequirementsforparticularprojects.1.3Thispracticecanbeusedasabasistoevaluatetestingandinspectionagencies,orboth,andisintendedforuseforthequalifyingoraccrediting,orboth,oftestingorinspectionagencies,publicorprivate,engagedinthetestingandinspec-tionofsoilandrockasusedinengineeringdesignandconstruction.1.4Toqualifyforaccreditationtothisstandard,theagencymustincludeatleastfivestandardsrelatingtotestingmethods,inspectionmethods,orboth,fromthestandardscoveredunderthejurisdictionsofCommitteeD18,initscertificateofaccreditation.1.5ThispracticeisapplicabletoallstandardswhichincludeareferencetoPracticeD3740.1.6Thetextofthisstandardreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesa...