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8. At the time of receipt of samples by the laboratory, the <br /> shipping container will be inspected and the sealing <br /> signature will be checked, the samples will be inspected fu1 <br /> condition and bubbles and the temperature of a representa-- <br /> tivc sample container will be measured externally by a <br /> thermocouple probe (held tightly' betweern two samples) and <br /> recorded. The laboratory ¢C numbers will be placed on the <br /> -. labels, in the accession log, and on the chain of custody <br /> form. If samples are acidified their pH will be measured by <br /> narrow range pH papre at the time of opening fir analysis. <br /> All comments concerning procedures requiring handling of the <br /> samples will be dated and initialed on the form by the <br /> laboratory person performing the procedure. A copy of the <br /> mr-a <br /> completed chain of custody form with the comments on sample <br /> integrity will be returned to the sampler. <br /> l <br /> E' <br />