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1.1 This guide covers the measurement of matric potential in the vadose zone using tensiometers. The theoretical and practical considerations pertaining to successful onsite use of commercial and fabricated tensiometers are described. Measurement theory and onsite objectives are used to develop guidelines for tensiometer selection, installation, and operation.
1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.
1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D653 Terminology Relating to Soil, Rock, and Contained Fluids
ICS Number Code 07.060 (Geology. Meteorology. Hydrology)
UNSPSC Code 41114509(Tensiometers)
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ASTM D3404-91(1998), Standard Guide for Measuring Matric Potential in the Vadose Zone Using Tensiometers, ASTM International, West Conshohocken, PA, 1998, www.astm.orgBack to Top