Designation:D5410−93(Reapproved2007)StandardGuideforSetofDataElementstoDescribeaGroundwaterSite;PartThree—UsageDescriptors1ThisstandardisissuedunderthefixeddesignationD5410;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisguideisPartThreeofthreeguidestobeusedinconjunctionwithPracticeD5254thatdelineatesthedatadesirabletodescribeagroundwaterdatacollectionorsamplingsite.Thisguideidentifiesusagedescriptors,suchasmonitoring,foranindividualgroundwatersite.GuideD5408describesadditionalinformationbeyondtheminimumsetofdataelementsthatmaybespecifiedtoidentifyagroundwatersite,whileGuideD5409identifiesphysicaldescriptors,suchasconstruction,forasite.NOTE1—Agroundwatersiteisdefinedasanysource,location,orsamplingstationcapableofproducingwaterorhydrologicdatafromanaturalstratumfrombelowthesurfaceoftheearth.Asourceorfacilitycanincludeawell,springorseep,anddrainortunnel(nearlyhorizontalinorientation).Othersources,suchasexcavations,drivendevices,boreholes,ponds,lakes,andsinkholes,thatcanbeshowntobehydrau-licallyconnectedtothegroundwater,areappropriatefortheuseintended.NOTE2—GuideD5408includesdataconfidenceclassificationdescrip-tor(1element),geographiclocationdescriptors(4elements),politicalregimedescriptor(1element),sourceidentifierdescriptors(4elements),legaldescriptors(9elements),ownerdescriptors(2elements),sitevisitdescriptors(3elements),otheridentificationdescriptors(2elements),otherdatadescriptors(3elements),andremarksdescriptors(3elements).GuideD5409includesindividualsitecharacteristics(7dataelements),constructiondescriptors(56dataelements),liftdescriptors(16dataelements),geologicdescriptors(26dataelements),hydraulicdescriptors(20dataelements),andspringdescriptors(11dataelements).Foralistofdescriptorsinthisguide,seeSection3.1.2Thesedataelementsaredescrib...