1、Designation:D720221Standard 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,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.10 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on P
10、rinciples for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1193 Specification for Reagent WaterD1356 Terminology Relating to Sampling and Analysis ofAtm
11、ospheresD4840 Guide for Sample Chain-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-a
12、lloids in Airborne Particulate Matter by InductivelyCoupled Plasma Atomic Emission Spectrometry(ICP-AES)D7144 Practice for Collection of Surface Dust by Micro-vacuum Sampling for Subsequent Determination of Met-als and MetalloidsD7296 Practice for Collection of Settled Dust SamplesUsing Dry Wipe Sam
13、pling Methods for Subsequent De-termination of Beryllium 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
14、Protection1This test method is under the jurisdiction of ASTM Committee D22 on AirQuality and is the direct responsibility of Subcommittee D22.04 on Workplace AirQuality.Current edition approved Sept.1,2021.Published April 2022.Originallyapproved in 2005.Last previous edition approved in 2015 as D72
15、02 15.DOI:10.1520/D7202-21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM 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 H
16、arbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1D7707 Specification for Wipe Sampling Materials for Beryl-lium in Surface DustD8358 Guide forAssessment and Inclusio
