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• Pressure was applied to the vessel with a hand pump and the filtrate directed into the <br /> appropriate containers Each filter was used once and discarded <br /> Sample Preservation and Handling <br /> The following section specifies sample containers, preservation methods, and sample <br /> handling procedures <br /> Sample Containers and Preservation <br /> Sample containers vary with each type of analytical parameter Container types and <br /> materials were selected to be nonreactive with the particular analytical parameter tested <br /> Sample Handling <br /> Sample containers were labeled immediately prior to sample collection Samples were <br /> kept cool with cold packs until received by the laboratory At the time of sampling, each <br /> sample was logged on a chain-of-custody record that accompanied the sample to the <br /> laboratory <br /> Samples that required overnight storage prior to shipping to the laboratory were Dept cool <br /> (40 Celsius) in a refrigerator The refrigerator was kept in a warehouse which was locked <br /> when not occupied by an Pinnacle employee A sample/refrigerator log was kept to <br /> record the date and time that samples were placed into and removed from the refrigerator <br /> Samples were transferred from Pinnacle to an approved laboratory by courier or taken <br /> directly to the laboratory by the environmental sampler Sample shipments from Pinnacle <br /> to laboratories performing the selected analyses routinely occurred within 24 hours of <br /> sample collection <br /> Sample Documentation <br /> The following procedures were used during sampling and analysis to provide chain-of- <br /> custody control during sample handling from collection through storage Sample <br /> documentation included the use of the following <br /> CP1E MICHERTWRLYI>STOCK-GW DOC-9511sg 1 A-4 Revision 1,11/19/98 <br />