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4 9 <br /> RVO�MM- <br /> _. <br /> m <br /> e. 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 for <br /> condition and bubbles and the temperature of a representa- <br /> tive sample container will be measured externally by a <br /> thermocouple probe (held tightly between two samples) and <br /> recorded. The laboratory QC 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 paper at the time of opening for 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 /> completed chain-of-custody form with the comments on sample <br /> integrity will be returned to the sampler. <br /> i <br /> 1 <br /> r� <br /> r <br /> F - <br /> r <br /> k <br /> -} Trui%clldwi:IM:. <br />