Sampling Approach Sample Clauses

Sampling Approach. Once a sampling design is developed, the sampling approach should be determined in order to ensure that enough sediment is collected for the appropriate tests to be conducted. Sufficient sediment and water should be collected to conduct all physical, chemical and biological tests to ensure that all sediments are collected at the same time in order to meaningfully compare the biological and chemical data. Sediments to be used for biological testing may be archived pending results of the chemical analyses. However, given the relatively short holding times for archived sediments to be used to conduct biological testing, unless quick turn-around on chemical analyses of sediments is assured, it is recommended that the chemical and biological tests be run concurrently. Appendix B of this RIA provides a summary of recommended procedures for sample collection, preservation and storage. Table 1 provides guidance on the types of samples that may be required to be collected in the field to conduct dredged material evaluation tests.