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ASTM D 4401 : 1984 : R2002
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Standard Practice for Collecting Benthic Macroinvertebrates With Petersen Grab Sampler (Withdrawn 2003)
Hardcopy , PDF
01-01-2003
English
31-12-2010
CONTAINED IN VOL. 11.05, 2001 Gives methods for obtaining qualitative sample of macro invertebrates inhabiting sand, mud, gravel, clay, and similar substrates. Used in freshwater lakes, reservoirs, adaptable to rivers, estuaries and ocean habitats.
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