ASTM WK40679(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK40679 - Revision of D6331 - 98(2005) Standard Test Method for Determination of Mass Concentration of Particulate Matter from Stationary Sources at Low Concentrations (Manual Gravimetric Method)Active Standard: D6331 - 13 Developed by Subcommittee: D22.03 | Committee D22 Home | Contact Staff Manager
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