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. WORK REQUEST FORM <br /> Date of Request. 12/03/03 Requested Completion Date: 12/04/03 <br /> Prod Name: Gabbard Pro, No. 256 <br /> Site Address: 640 N. EI Dorado, Stockton, CA Task: none <br /> Project Manager: John Lane Field Personnel: Scoma <br /> Client Contact: Gary Gabbard Phone No: <br /> Regulatory Contact: Lori Duncan Phone No: 468-0337 <br /> Approval: (CJS Completion Date: 1'9-lagla Of c4c, <br /> READ AND UNDERSTAND PRIOR TO LEAVING FOR SITE <br /> 1 Bring all equipment to purge and sample seven site wells (MW1-MW7) I expect you will <br /> need bailers, pump, meters, interface probe, w/I probe All wells are 2" diameter Wells <br /> MW1-MW4 are about 32 feet deep, wells MW5-MW7 are about 36-37 feet deep Water <br /> . level at about 25-26 feet <br /> 2 Monitor depth to water in all site wells The order is MW5, MW4, MW2, MW1, MW6, <br /> MW7, MW3 MW3 is hot and has free product (and skimmer) Use interface probe on well <br /> MW3 <br /> 3 Purge and sample wells in order Order is MW5, MW4, MW2, MW1, MW6, MW7, MW3 <br /> MW3 is hot and has periodically had free product since June 2001 MWs 1, 2, 4, 5 are mildly <br /> impacted with PCE MWs 6 and 7 are moderately impacted with PCE Sample all wells <br /> within 2 hours after finishing the purge <br /> 4 Collect a sample from well MW3 after removing floating product and purging 3 casing <br /> volumes (including product/water mixture) After removing floating product, be sure to <br /> purge remaining volume from the upper screened interval Collect sample only after you <br /> confirm that there is no floating product in the well bore <br /> 5 Send samples to Argon for TPHgBTEX using EPA 8015B, TPHd using EPA 8015B, and <br /> EPA 8260 full scan plus oxygenates + EDB, 1,2-DCA. Note on chain of custody that EDF <br /> is required <br /> 6 Contain water in properly labeled drums <br /> 7 Take drum count and consolidate all drums in convenient location <br />