ISO 11657:2014 Preview
Hydrometry -- Suspended sediment in streams and canals -- Determination of concentration by surrogate techniques
ISO 11657:2014 specifies methods for determination of the concentrations and particle-size distributions of suspended sediment in streams and canals by surrogate techniques. ISO 11657:2014 covers brief description of the operating principle of each method and details of some of the instruments available.
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