ASTM_E_2042_-_E_2042M_-_09.pdf

Designation:E2042/E2042M09Standard Practice forCleaning and Maintaining Controlled Areas and CleanRooms1This standard is issued under the fixed designation E2042/E2042M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice covers the procedures to be followed forthe initial cleaning and normal maintenance of cleanrooms andcontrolled areas.This practice is applicable to aerospace cleanareas where both particles and molecular films(NVR)must becontrolled.1.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard.Thevalues stated in each system may not be exact equivalents;therefore,each system shall be used independently of the other.Combining values from the two systems may result in non-conformance with the standard.1.3 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:2D1193 Specification for Reagent WaterE1234 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 OperationsE1560 Test Method for Gravimetric Determination of Non-volatile Residue From Cleanroom WipersE2352 Practice for Aerospace Cleanrooms and AssociatedControlled EnvironmentsCleanroom OperationsF24 Test Method for Measuring and Counting ParticulateContamination on SurfacesF25 Test Method for Sizing and Counting Airborne Particu-late Contamination in Cleanrooms and Other Dust-Controlled AreasF50 Practice for Continuous Sizing and Counting of Air-borne Particles in Dust-Controlled Areas and CleanRooms Using Instruments Capable of Detecting SingleSub-Micrometre and Larger Particles2.2 IEST Standards:3IEST-RP-CC007 Testing ULPA FiltersIEST-RP-CC016 The Rate of Deposition of NonvolatileResidue in CleanroomsIEST-RP-CC0018 Cleanroom Housekeeping and Monitor-ing ProceduresIEST-RP-CC003 Garment System Considerations for Clean-rooms and Other Controlled EnvironmentsIEST-RP-CC026 Cleanroom OperationsIEST-STD-CC1246D Product Cleanliness Levels and Con-tamination Control Program42.3 US Federal Standards:5FED-STD-209E Airborne Particulate Cleanliness Classes inCleanrooms and Clean Zones6TT-I-735 Isopropyl AlcoholO-A-51 Acetone52.4 US Department of Defense Standards:5MIL-D-16791 Detergents,General Purpose(Liquid,Non-Ionic)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 April 1,2009.Published April 2009.Originallyapproved in 1999.Last previous edition approved in 2004 as E2042 04.DOI:10.1520/E2042_E2042M-09.2For 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 Science and Technology(IEST),5005 Newport Dr.,Suite 506,Rolling Meadows,IL 60008-3841.4IEST-STD-CC1246D replaced MIL-STD-1246.5Available from Superintendent of Documents,US Government Printing Office,Washington,DC 20402.6Cancelled Nov.29,2001 and replaced with ISO 14644-1 and 14644-2.FED-STD-209E may be used by mutual agreement between buyer and seller.Available from U.S.Government Printing Office,Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401.FS209Ecleanroom classes are given for reference in parentheses after the ISO classes.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 2.5 International Standards:7ISO 14644-1 Cleanrooms and Associated ControlledEnvironmentsPart 1:Classification of Air CleanlinessISO 14644-2 Cleanrooms and Associated ControlledEnvironmentsPart 2:Specifications for Testing andMonitoring to Prove Continued Compliance with ISO14644-13.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 clean zone,na defined space in which the concen-tration of airborne particles is controlled to specified limits.3.1.2 cleanroom,na room in which the air filtration,airdistribution,utilities,materials of construction,equipment,andoperating procedures are specified and regulated to co