ASTM_E_2312_-_11.pdf

Designation:E231211Standard Practice forTests of Cleanroom Materials1This standard is issued under the fixed designation E2312;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 practice identifies test methods used to evaluate theproperties of various materials and products used in clean-rooms and for cleanroom construction.1.2 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:2E595 Test Method for Total Mass Loss and Collected Vola-tile Condensable Materials from Outgassing in a VacuumEnvironmentE1216 Practice for Sampling for Particulate Contaminationby Tape LiftE1234 Practice for Handling,Transporting,and InstallingNonvolatile Residue(NVR)Sample Plates Used in Envi-ronmentally Controlled Areas for SpacecraftE1235 Test Method for Gravimetric Determination of Non-volatile Residue(NVR)in Environmentally ControlledAreas for SpacecraftE1549 Specification for ESD Controlled Garments Requiredin Cleanrooms and Controlled Environments for Space-craft for Non-Hazardous and Hazardous OperationsE1559 Test Method for Contamination Outgassing Charac-teristics of Spacecraft MaterialsE1560 Test Method for Gravimetric Determination of Non-volatile Residue From Cleanroom WipersE1731 Test Method for Gravimetric Determination of Non-volatile Residue from Cleanroom GlovesE2088 Practice for Selecting,Preparing,Exposing,andAna-lyzing Witness Surfaces for Measuring Particle Deposi-tion in Cleanrooms and Associated Controlled Environ-mentsE2090 Test Method for Size-Differentiated Counting ofParticles and Fibers Released from Cleanroom WipersUsing Optical and Scanning Electron MicroscopyE2217 Practice for Design and Construction of AerospaceCleanrooms and Contamination Controlled AreasF25 Test Method for Sizing and Counting Airborne Particu-late Contamination in Cleanrooms and Other Dust-Controlled AreasF51 Test Method for Sizing and Counting Particulate Con-taminant In and On Clean Room GarmentsF739 Test Method for Permeation of Liquids and Gasesthrough Protective Clothing Materials under Conditions ofContinuous Contact2.2 IEST Standards:3IEST RP-CC003 Garment System Considerations for Clean-rooms and Other Controlled EnvironmentsIEST RP-CC004 Evaluating Wiping Materials Used inCleanrooms and Other Controlled EnvironmentsIEST RP-CC005 Gloves and Finger Cots Used in Clean-rooms and Other Controlled EnvironmentsIEST RP-CC020 Substrates and Forms for Documentationin CleanroomsIEST RP-CC022 Electrostatic Charge in Cleanrooms andOther Controlled Environments2.3 Others:4ANSI/AAMI/ISO 11137 Sterilization of Health Care Prod-ucts Radiation Part 13.Terminology3.1 Definitions:3.1.1 ESDelectrostatic discharge,the transfer of electro-static charge between bodies that have different electric poten-tial.3.1.2 fiberparticle having an aspect(length-to-width)ratioof 10 or more.1This practice is under the jurisdiction of ASTM Committee E21 on SpaceSimulation and Applications of Space Technology and is the direct responsibility ofSubcommittee E21.05 on Contamination.Current edition approved Jan.1,2011.Published February 2011.Originallyapproved in 2004.Last previous edition approved in 2004 as E2312 04.DOI:10.1520/E2312-11.2For 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.3Available from Institute of Environmental Sciences and Technology(IEST),Arlington Place One,2340 S.Arlington Heights Rd.,Suite 100,Arlington Heights,IL 60005-4516,http:/www.iest.org.4Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.1.3 microorganismliving organism of microscopic sizecapable of growth and reproduction.Examples includebacteria,yeasts,and molds.3.1.4 non-volatile residue(NVR)that quantity of molecu-lar matter remaining after the filtration of a solvent containingcontaminants and evaporation of the solvent at a specifiedtemperature.3.1.5 outgassingevolution of volatile components from anitem exposed to elevated temperature,normally in vacuum.3.1.6 particlesmall piece of matter with defined physicalboundaries.4.Summary of Practice4.1 A number of tests for materials and products used incleanrooms or to fabricate cleanrooms have been issued byvarious organizations such asASTM and IEST.The pur