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【英文标准名称】:StandardforHand-HeldMotor-OperatedElectricTools-Safety-Part2-1:ParticularRequirementsforDrillsandImpactDrills
【原文标准名称】:手持式电动工具的安全性标准.安全性.第2-1部分:钻头和冲击钻的详细要求
【标准号】:ANSI/UL60745-2-1-2010
【标准状态】:作废
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义(术语);钻床;钻头;电动工具;电气工程;电气安全性;手动工具;手动装置;冲击钻;机床;机械安全性;电动的;步进控制系统;轻便机床;防电击;安全性;安全性要求;规范(验收);工具
【英文主题词】:Definitions;Drillingmachines;Drills;Electrictools;Electricalengineering;Electricalsafety;Handtools;Hand-operateddevices;Impactdrills;Machinetools;Mechanicalsafety;Motor-operated;Pedestrian-controlledsystems;Portablemachinetools;Protectionagainstelectricshocks;Safety;Safetyrequirements;Specification(approval);Tools
【摘要】:
【中国标准分类号】:K64
【国际标准分类号】:25_140_20
【页数】:
【正文语种】:英语


【英文标准名称】:StandardGuideforSamplingGround-WaterMonitoringWells
【原文标准名称】:地下水位监测井采样标准指南
【标准号】:ASTMD4448-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D34.01.02
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:地下水;监督(认可);导则;污染控制;抽样方法
【英文主题词】:diffusionsampling;groundwater;lowflow;lowstress;minimalpurge;monitoring;purge;sampling;stabilization;well
【摘要】:Thequalityofgroundwaterhasbecomeanissueofnationalconcern.Ground-watermonitoringwellsareoneofthemoreimportanttoolsforevaluatingthequalityofgroundwater,delineatingcontaminationplumes,andestablishingtheintegrityofhazardousmaterialmanagementfacilities.Thegoalinsamplingground-watermonitoringwellsistoobtainsamplesthatmeettheDQOs.Thisguidediscussestheadvantagesanddisadvantagesofvariouswellsamplingmethods,equipment,andsamplepreservationtechniques.Itreviewsthevariablesthatneedtobeconsideredindevelopingavalidsamplingplan.1.1Thisguidecoverssamplingequipmentandproceduresand"inthefield"preservation,anditdoesnotincludewelllocation,depth,welldevelopment,designandconstruction,screening,oranalyticalproceduresthatalsohaveasignificantbearingonsamplingresults.Thisguideisintendedtoassistaknowledgeableprofessionalintheselectionofequipmentforobtainingrepresentativesamplesfromground-watermonitoringwellsthatarecompatiblewiththeformationsbeingsampled,thesitehydrogeology,andtheenduseofthedata.1.2Thisguideisonlyintendedtoprovideareviewofmanyofthemostcommonlyusedmethodsforcollectingground-waterqualitysamplesfrommonitoringwellsandisnotintendedtoserveasaground-watermonitoringplanforanyspecificapplication.Becauseofthelargeandeverincreasingnumberofoptionsavailable,nosingleguidecanbeviewedascomprehensive.Thepractitionermustmakeeveryefforttoensurethatthemethodsused,whetherornottheyareaddressedinthisguide,areadequatetosatisfythemonitoringobjectivesateachsite.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A44
【国际标准分类号】:13_060_10
【页数】:17P.;A4
【正文语种】: