This sampling and analysis plan (SAP) identifies characterization objectives pertaining to sample collection, laboratory analytical evaluation, and reporting requirements for vapor samples obtained from piping, equipment, or facilities connected to tank 241-ER-311. The purpose of this sampling event is to obtain information about the effects of the argon purge gas added to tank 241-ER-311. Vapor samples will be taken in the encasement of transfer lines, at the ER-151 diversion box, and, as necessary, any other locations connected to tank 241-ER-311. Combustible gas, ammonia, and organic vapor levels will be field-measured using hand-held instruments. Vapor samples will be taken and shipped to the Pacific Northwest National Laboratory (PNNL) for analysis. This test plan identifies the sample collection, laboratory analysis, quality assurance, and reporting objectives for this data collection effort. The plan also provides the requirements for vapor measurements performed in the field.
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