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ASTM D4700-15
- Standard Guide for Soil Sampling from the Vadose Zone
- standard by ASTM International, 02/01/2015
- Publisher: ASTM
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1.1 This guide covers procedures that may be used for obtaining soil samples from the vadose zone (unsaturated zone). Samples can be collected for a variety of reasons including the following:
1.1.1 Stratigraphic description,