【英文标准名称】:StandardPracticeforMinimumSetofDataElementstoIdentifyaSoilSamplingSite
【原文标准名称】:标识土壤抽样基地用数据单元最低设置的标准实施规程
【标准号】:ASTMD5911/D5911M-1996(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D18.21
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:keydataelements;sediment;sitecoordinates;siteidentification;sitelocation;soils;soilsamplecollection;Dataanalysis--soil/rock;Minimumsetofdataelements;Soilsampling
【摘要】:Normally,thebasicsoildataaregatheredbytrainedpersonnelduringthefieldinvestigationphaseofastudy.Eachagencyorcompanyhasitsownmethodsofobtaining,recording,andstoringtheinformation.Usually,thesedataarerecordedontoformsthatservebothinorganizingtheinformationinthefieldandtheoffice,andoftenasentryformsforacomputerdatabase.Forsoildatatobeofmaximumvaluetothecurrentprojectandanyfuturestudies,especiallythoseinvolvedintheassessmentoftheenvironment,itisessentialthataminimumsetofkeyidentificationdataelementsberecordedforeachsamplingsite.Whenobtainingbasicdataconcerningasubsurfacesoilsamplingsite,itisnecessarytothoroughlyidentifythatsamplingsitesothatitmaybereadilylocatedagainwithminimaluncertaintyandmaybeaccuratelyplottedandinterpretedfordataparametersinrelationshiptoothersamplingsites.Forexample,informationcanbepresentedonmapsandinsummarytables(seePracticeD3740).1.1Thispracticecoverswhatinformationshouldbeobtainedtouniquelyidentifyanysoilsamplingorexaminationsitewhereanabsoluteandrecoverablelocationisnecessaryforqualitycontrolofthestudy,suchasawastedisposalproject.Theminimumsetofdataelementsforsamplingsiteidentification(DEFFSI)wasdevelopedconsideringtheneedsforinformationaldatabases,suchasgeographicinformationsystems(GIS).Otherdistinguishingdetails,suchasindividualsitecharacteristicshelpinsingularlycatalogingthesite.Forstudiesthatarenotenvironmentallyregulated,suchasforanagriculturalorpreconstructionsurvey,thedataspecificationsestablishedanagencyorcompanymaybedifferentfromthatoftheminimumset(seeGuideD420andPracticeD5254).1.2Asusedinthispractice,asoilsamplingsiteismeanttobeasinglepoint,notageographicareaorproperty,locatedbyanX,Y,andZcoordinatepositionatlandsurfaceorafixeddatum.Allsoildatacollectedforthesitearedirectlyrelatedtothecoordinateposition,forexample,samplefromxfeet(ormetres)orsamplefromintervalx1tox2ft(ormetres)belowtheX,Y,andZcoordinateposition.Asoilsamplingsitecanincludeatestwell,augeredorboredhole,excavation,grabsample,testpit,sidewallsample,streambed,oranyothersitewheresamplesofthesoilcanbecollectedorexaminedforthepurposeintended.1.3Thecollectionofsoilsamplesisadisruptiveprocedureasthematerialisusuallyextractedfromitsnaturalenvironmentandthentransportedfromthesitetoalaboratoryforanalysis.Normally,inthishighlyvariabletypeofmaterial,theadjacentsoilprofilewillnotbepreciselythesameasthesampledsoil.Forthesereasons,whensoilsamplesareremovedthesamematerialcannotbecollectedfromthesitelater.Therefore,itisessentialthattheminimumsetofDEFSSIbethoroughlydocumentedandidentifiedespeciallywithanaccuratelocation.1.4Samplesofsoil(sediment)filteredfromthewaterofstreams,rivers,orlakesarenotinthescopeofthispractice.Note18212;Therearemanyadditionaldataelementsthatmaybenecessarytoidentifyandtodescribeasoilsamplingsite,butarenotinclude......
【中国标准分类号】:B11
【国际标准分类号】:13_080_05
【页数】:7P.;A4
【正文语种】:英语