composite water sample

Two or more samples or subsamples, mixed together in appropriate known proportions (either discretely or continuously) , from which the average result of a desired characteristic may be obtained. The proportions are usually based on time or flow measurements. (ISO/6107)

 

Source:

UNESCO/WMO International Glossary of Hydrology (2nd revised ed., 1992)

Posted on February 8, 2014 .