ASTM_E_2014_-_11.pdf

Designation:E201411Standard Guide onMetallographic Laboratory Safety1This standard is issued under the fixed designation E2014;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,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 guide outlines the basic safety guidelines to be usedin a metallographic laboratory.Safe working habits are dis-cussed for various tasks performed in a metallographic labo-ratory.1.2 The sections appear in the following order:SectionScope1Referenced Documents2Terminology3Significance and Use4General5Heat Treating6Specimen Preparation/Sectioning7Specimen Mounting8Mechanical Grinding/Polishing9Chemical Safety10Electrolytic Polishing/Etching11Sulfur Printing12Laboratory Ventilation/Fume Hoods13Chemical Spills14Photography15X ray/Electron Microscopy16Laboratory Ergonomics17Disposal of Residues18Keywords191.3 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 standard 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:2E3 Guide for Preparation of Metallographic SpecimensE7 Terminology Relating to MetallographyE340 Test Method for Macroetching Metals and AlloysE407 Practice for Microetching Metals and AlloysE883 Guide for ReflectedLight PhotomicrographyE1180 Practice for Preparing Sulfur Prints for Macrostruc-tural EvaluationE1558 Guide for Electrolytic Polishing of MetallographicSpecimens3.Terminology3.1 DefinitionsAll terms used in this guide are eitherdefined in Terminology E7 or are discussed in 3.2.3.2 Definitions of Terms Specific to This Standard:3.2.1 agreement statea government body that has beengranted regulatory authority over by-product materials andradiation-producing devices by the United States NuclearRegulatory Commission(USNRC).4.Significance and Use4.1 This guide is intended as a summary of safety practicesin the metallography laboratory.It can be used as a trainingreference for those new to the field of metallography and as arefresher to those who are experienced.4.2 This guide is not intended to be inclusive of all safetyconcerns encountered in a metallographic laboratory.Severalbooks that provide safety information are available(1-14).34.3 Before operating any equipment,it is advisable to readand understand the accompanying manuals and to follow anyspecified safety guidelines.4.4 Material safety data sheets(MSDS)for chemicals beingused in a laboratory should be on file and readily accessible.When working with any chemicals,especially for the first time,one should review the MSDS supplied by the manufacturer andfollow any safety guidelines suggested.The most current andapplicable MSDS should be on file for a given product orchemical.5.General5.1 Before operating any equipment,read and understandthe accompanying manuals and follow any specified safetyguidelines.1This guide is under the jurisdiction ofASTM Committee E04 on Metallographyand is the direct responsibility of Subcommittee E04.17 on Criteria for Metallo-graphic Laboratory Evaluation and Safety.Current edition approved Oct.1,2011.Published December 2011.Originallyapproved in 1999.Last previous edition approved in 2005 as E2014 05.DOI:10.1520/E2014-11.2For 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.3The boldface numbers in parentheses refer to the list of references at the end ofthis standard.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.2 It is strongly recommended to read and understandMaterial Safety Data Sheets(MSDS)for chemicals used in thelaboratory.When working with any chemical,especially forthe first time,review the MSDS supplied by the manufacturerand follow any safety and environmental guidelines provided.Each laboratory is responsible for ensuring that the MSDS theyaccess is up-to-date.5.3 Easily accessible emergency eyewash and showers arerequired where chemicals are manipulated and used.Consultthe applicable regulatory agencies.5.4It is recommended to complete a Standard OperatingProcedure(SOP),including a Job Safety Analysis(JSA)forevery task or practice performed,listing any potential hazardsand describing the safe operating practice to mitigate thosehazards.5.5 Be aware of the nature of the specimen material sub-mitted for examination to ensure that it in itself does not posea safety risk during storage or sample preparation.Forexample,see 7.5.6.Heat Treating6.1 The use of Personal Protective Equipment is stronglyrecommended.The minimum prot