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ASTM D4557-85(2002)
Standard Practice for Collecting Benthic Macroinvertebrates with Surber and Related Type Samplers (Withdrawn 2003)
STANDARD published on 27.12.1985
The information about the standard:
Designation standards: ASTM D4557-85(2002)
Note: WITHDRAWN
Publication date standards: 27.12.1985
SKU: NS-27695
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D4557-85(2002) :
Keywords:
macroinvertebrates, mud, sand, gravel, rubble, velocity, ICS Number Code 07.080 (Biology. Botany. Zoology)
Additional information
| 1. Scope |
|
1.1 This practice covers the procedures for obtaining a sample of macroinvertebrates inhabiting mud, sand, gravel, or rubble substrate. 1.2 The device is restricted to use in shallow streams or shallow areas of rivers, and it depends on a water velocity of not less than 0.05 m/s to wash the sample into a net. 1.3 This standard does not purport to address all of the safety concerns, 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. For a specific hazard statement, see 6.8. |
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