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17F - T k. The depths should be recorded to the nearest 0.01 foot. <br /> EI <br /> LI Table 9 : Recharge Depth <br /> Well Number <br /> I <br /> i <br /> -, . . MW4 <br /> F <br /> MW-2 <br /> MW- 3 <br /> _i ffI - - - <br /> � MW-4 <br /> 1. MW-2 is to be purged using a disposable weighted bailer to prevent <br /> motor oil contamination of the purge pump. Follow the above steps <br /> and record as indicated. Recalculated the CDTW. <br /> New CDTW: <br /> J FF! 6 Sample Collection <br /> + a. While the wells are recovering, complete the Chain of Custody. <br /> Include the following analyses : <br /> 1 . TPH-gasoline per 8260B. <br /> 2 TPH-motor oils and TPH-diesel per LUFT GC/MS . <br /> - 3 . BTEX per 8260B. <br /> ! 4. Oxygenates including MTBE, TBA, TAME, DIPE, ETBE, <br /> LL oI 1 ,2-DCA and EDB per 8260B. <br /> b. Each well should have the following number and type of sample <br /> containers: <br /> 1 . 2- 1000 amber bottles <br /> 2. 2-40 mL viols with HCI preservative. <br /> c. Label each sample container with: <br /> 1 . Well Number <br /> 2. Sample Number <br /> 3 . Sampling Date and Time <br /> d. Samples from each well are to be collected using a disposable bailer (a <br /> weighted one for MW-2). <br /> e. Fill each sample container completely and ensure that no air bubbles <br /> are present in the 40-mL viols. <br /> f. Place sample containers in an ice chest at 4°C for laboratory pickup. <br /> g. Each sample is to be analyzed within 7 calendar days. <br />!I <br /> I <br /> r <br /> 5 <br /> G <br />