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This part of ISO 5667 specifies the general requirements on procedures for the preservation, handling and storage of samples of sewage and waterworks sludge, suspended matter, marine sediments and freshwater sediments for chemical, physical, radiochemical and/or biological examination in the laboratory.
The procedures in this part of ISO 5667 are only applicable to wet samples of sludge, sediment and suspended matter.
NOTE The storage conditions given do not necessarily apply for derived samples, for example sediment eluates or extracts.
This document is not applicable to samples intended for biotesting with ecotoxicological or biological assays (which is specified in ISO 5667-16[5]) nor intended for microplastics (which is specified in ISO 5667-27[7]).
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