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IQ <br /> WORK REQUEST FORM <br /> Date of Request: 06/02/04 Requested Completion Date: 0613-4/04 <br /> Prol Name: Gabbard Prod No: 256 <br /> Site Address: 640 N. El Dorado Stockton CA Task: none <br /> Protect Manager: John Lane Field Personnel: Scoma <br /> Client Contact: Gary Gabbard Phone No: <br /> Regulatory Contact- Lori Duncan Phone No: 468-0337 <br /> Approval: J'Z `f- /�- /0� Completion Date: <br /> READ AND UNDERSTAND PRIOR TO LEAVING FOR SITE <br /> 1 Notify Lon Duncan 48 hours prior to arriving on site to approve sampling.schedule <br /> 2 Bring all equipment to purge and sample seven site wells (MWI-MW7) I expect you will <br /> need bailers, pump, meters, interface probe, w/1 probe All wells are 2" diameter Wells <br /> MWI-MW4 are about 32 feet deep, wells MW5-MW7 are about 36-37 feet deep Water <br /> 0 level at about 25-26 feet <br /> 3 Monitor depth to water in all site wells The order is MW5, MW4, MW2, MWI, MW6, <br /> MW7, MW3 MW3 is hot and has free product (and skimmer) Use interface probe on well <br /> MW3 <br /> 4 Purge and sample wells in order Order is MW5, MW4, MW2, MWI, MW6, MW7, MW3 <br /> MW3 is hot and has periodically had free product since June 2001 MWs I, 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 /> 5 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 /> 6 Send samples to Argon for EPA 8260 full scan plus oxygenates + EDB, 1.,2-DCA. Note on <br /> chain of custody that EDF is required <br /> 7 Contain water in properly labeled drums <br /> 8 Take drum count and consolidate all drums in convenient location <br /> i <br />