Standard Guide for
Measuring Matric Potential in the Vadose Zone Using
Tensiometers1
This standard is issued under the fixed designation D 3404; the number immediately following the designation indicates the year of
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 (e) indicates an editorial change since the last revision or reapproval.
Click below to download Astm D 3404 – 91 (Reapproved 1998) Pdf free
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Click here to Astm D 3403 – 97 (Reapproved 2002) Pdf free download