1、Designation:D720215Standard Test Method forDetermination of Beryllium in the Workplace by Extractionand Optical Fluorescence Detection1This standard is issued under the fixed designation D7202;the number immediately following the designation indicates the year oforiginal adoption or,in the case of r
2、evision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method is intended for use in the determinationof beryllium by sampling workplace air and sur
3、face dust.1.2 This test method assumes that air and surface samplesare collected using appropriate and applicable ASTM Interna-tional standard practices for sampling of workplace air andsurface dust.These samples are typically collected using airfilter sampling,vacuum sampling or wiping techniques.S
4、eeGuide E1370 for guidance on air sampling strategies,andGuide D7659 for guidance on selection of surface samplingtechniques.1.3 Determination of beryllium in soil is not within thescope of this test method.See Test Method D7458 fordetermination of beryllium in soil samples.1.4 This test method incl
5、udes a procedure for extraction(dissolution)of beryllium in weakly acidic medium(pH of 1%aqueous ammonium bifluoride is 4.8),followed by fieldanalysis of aliquots of the extract solution using a beryllium-specific-optically fluorescent dye.1.5 The procedure is suitable for on-site use in the field f
6、oroccupational and environmental hygiene monitoring purposes.The method is also applicable for use in fixed-site laboratories.1.6 No detailed operating instructions are provided becauseof differences among various makes and models of suitablefluorometric instruments.Instead,the analyst shall follow
7、theinstructions provided by the manufacturer of the particularinstrument.This test method does not address comparativeaccuracy of different devices or the precision between instru-ments of the same make and model.1.7 The values stated in SI units are to be regarded asstandard.No other units of measu
8、rement are included in thisstandard.1.8 This test method contains notes that are explanatory andnot part of mandatory requirements of the standard.1.9 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standa
9、rd to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D1193 Specification for Reagent WaterD1356 Terminology Relating to Sampling and Analysis ofAtmospheresD4840 Guide for Sample Chai
10、n-of-Custody ProceduresD5337 Practice for Flow Rate Adjustment of Personal Sam-pling PumpsD6966 Practice for Collection of Settled Dust SamplesUsing Wipe Sampling Methods for Subsequent Determi-nation of MetalsD7035 Test Method for Determination of Metals and Met-alloids in Airborne Particulate Matt
11、er by InductivelyCoupled Plasma Atomic Emission Spectrometry(ICP-AES)D7144 Practice for Collection of Surface Dust by Micro-vacuum Sampling for Subsequent Metals DeterminationD7296 Practice for Collection of Settled Dust SamplesUsing Dry Wipe Sampling Methods for Subsequent De-termination of Berylli
12、um and CompoundsD7458 Test Method for Determination of Beryllium in Soil,Rock,Sediment,and Fly Ash Using Ammonium Bifluo-ride Extraction and Fluorescence DetectionD7659 Guide for Strategies for Surface Sampling of Metalsand Metalloids for Worker ProtectionD7707 Specification for Wipe Sampling Materi
13、als for Beryl-lium in Surface DustE177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test Method1This test method is under the jurisdiction of ASTM Committee D22 on AirQuality and is the direct
14、 responsibility of Subcommittee D22.04 on Workplace AirQuality.Current edition approved Oct.1,2015.Published October 2015.Originallyapproved in 2005.Last previous edition approved in 2014 as D7202 141.DOI:10.1520/D7202-15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact A
15、STM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 E882 Guide for Accountability and
16、Quality Control in theChemical Analysis LaboratoryE1370 Guide for Air Sampling Strategies for Worker andWorkplace ProtectionE1792 Specification for Wipe Sampling Materials for Leadin Surface Dust3.Terminology3.1 DefinitionsFor definitions of terms not appearing here,see Terminology D1356.3.2 Definitions of Terms Specific to This Standard:3.2.1 wipe,na disposable towelette that is moistened witha wetting agent such as water.E1792;D69663.2.1.1 DiscussionThese towelettes are used for collectingsamp
