ASTM WK38864(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK38864 - Revision of D4700 - 91(2006) Standard Guide for Soil Sampling from the Vadose ZoneActive Standard: D4700 - 91(2006) Developed by Subcommittee: D18.21 | Committee D18 Home | Contact Staff Manager
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