SY 5857-1993 地震勘探爆炸物品安全管理规定

作者:标准资料网 时间:2024-05-21 12:19:16   浏览:9424   来源:标准资料网
下载地址: 点击此处下载
基本信息
标准名称:地震勘探爆炸物品安全管理规定
中标分类: 石油 >> 石油综合 >> 卫生、安全、劳动保护
ICS分类: 环保、保健与安全 >> 职业安全、工业卫生
替代情况:被SY/T 5857-2006代替
发布日期:1994-01-06
实施日期:1994-06-01
首发日期:1900-01-01
作废日期:2007-01-01
出版日期:1900-01-01
页数:16页
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 石油 石油综合 卫生 安全 劳动保护 环保 保健与安全 职业安全 工业卫生
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforAlpha-AndBeta-ActivityinWaterByLiquidScintillationCounting
【原文标准名称】:用液体闪烁计数法测定水中α和β放射性的标准试验方法
【标准号】:ASTMD7283-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D19.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:计数;液体闪烁计数;测量;辐射性;闪烁计数器;测试;水
【英文主题词】:grossalpharadioactivity;grossbetaradioactivity;grossradioactivitymeasurement;liquidscintillationcounter;water
【摘要】:Thistestmethodisintendedforthemeasurementofgrossalpha-andbeta-activityconcentrationsintheanalysesofenvironmentalanddrinkingwaters.Thistestmethodisalsoapplicabletothedirectanalysisofgrossalpha-andbeta-activityconcentrationsinwaterwhenlowdetectionlimitsarenotrequired.Directanalysisprovidesarapidmethodfordeterminationofgrossalpha-andbeta-activityconcentrationswhenlowdetectionlimitsarenotrequired.Thistestmethodisnotcapableofdiscriminatingamongalphaemittingradionuclidesoramongbetaemittingradionuclides.Thoseintendingtoidentifyandquantifyspecificradionuclidesshouldusetestmethodsspecifictotheradionuclidesofinterest.Thistestmethodmaynotbecitedasamethodforthedeterminationofgrossalpha-orbeta-activityconcentrationsinasolid/soilmatrixortheaciddigestateofthesame.Theuseofthistestmethodforsuchapplicationsbringsthepotentialforseriousbiasandincomparabilityofresultsdependentonthemannerofsamplepreparationortreatment,orboth.1.1Thistestmethodcoversthemeasurementofgrossalpha-andbeta-activityconcentrationsinahomogeneouswatersample.Itisapplicabletoalphaemitterswithactivityconcentrationlevelsabove0.037Bq/L(1pCi/L)andbetaemitterswithactivityconcentrationlevelsabove0.15Bq/L(4pCi/L).Thistestmethodisnotapplicabletosamplescontainingradionuclidesthatarevolatileunderconditionsoftheanalysis.1.2Thistestmethodmayalsobeusedforthedirectmeasurementofgrossalpha-andbeta-activityconcentrationsinhomogeneouswatersampleswithalphaemitteractivityconcentrationlevelsabove1.8Bq/L(50pCi/L)andbetaemitteractivityconcentrationlevelsabove3.7Bq/L(100pCi/L).1.3Thistestmethodwastestedusingasingle-operatortest.Round-robintestingiscurrentlyinprogressonthistestmethod.1.4StandardmethodsunderthejurisdictionofASTMCommitteeD19maybepublishedforalimitedtimepreliminarytothecompletionoffullcollaborativestudyvalidation.SuchstandardsaredeemedtohavemetallotherD19qualifyingrequirementsbuthavenotcompletedtherequiredvalidationstudiestofullycharacterizetheperformanceoftheTestMethodacrossmultiplelaboratoriesandmatrices.Preliminarypublicationisdonetomakecurrenttechnologyaccessibletousersofstandards,andtosolicitadditionalinputfromtheusercommunity.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F74
【国际标准分类号】:17_240
【页数】:10P.;A4
【正文语种】:


MIL-N-246B (NOTICE 1), MILITARY SPECIFICATION: NITROGLYCERIN (11 JAN 2000)., MIL-N-246, dated 19 February 1962, has been reviewed and determined to be valid for use in acquisition.