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• WORK REQUEST FORM <br /> Date of Request 06/23/03 Requested Completion Date 06/24/03 <br /> Proi Name Souza II LLC Proj No 450 <br /> Site Address 612 West 11 tStreet Tracy, CA Task <br /> Project Manager John Lane Field Tech A Scoma <br /> Client Contact Mike Souza Phone No 835-8330 <br /> Regulatory Contact <br /> Vicki McCartney Phone No 468-3456 <br /> ( <br /> Approval ___ (e[fq t-� Completion Date C)C-I,;,f/03 a 1 - ex <br /> READ AND UNDERSTAND THIS WORK REQUEST PRIOR TO ARRIVING ON SITE <br /> The scope of work will consist of purine and_ sampling three 2-inch wells Chemical hazards are <br /> gasoline and BTEX (see Site Safety Plan) Items to bring_to_site include centnfiical pump and <br /> tubing bailers, disposable sample bailers. water level probe, field meters ice chest with ice 1 <br /> . drum <br /> Measure DTW/DTB in each site well in order The order is MW2 MW1 MW3 DTW should <br /> be approximately 11 - 12 feet below ground surface (bgs) and DTB should be approximately 25 <br /> feet b2s Make sure_you follow our decon protocols for all downhole equipment and between <br /> wells <br /> Purge and sample wells in order The order is MW2 MWI MW3 Wells are 2-inches in <br /> diameter and approximately 25 feet bgs Purge 3-5 casing volumes and until physical parameters <br /> (1H conductivity temp) have stabilized_ Make sure you follow our decon protocols for all <br /> downhole equipment and between wells You can combine purged water in a single drum All <br /> wells have very low levels of TPHg/BTEX Purgewater drum is to be stored in waste disI)osal <br /> area <br /> After the wells have stabilized. sample for TPHg/BTEX (EPA 8015M/8020) and oxvs (plus-EDB <br /> and 1 2-DCA) EPA 8260B Send samples to Argon Labs for analysis Write need EDF format <br /> on Chain of Custodv <br /> Take a detailed drum count There may be one other drum from Ground Zero on site If drums <br /> are present Remove any empty drums from site Make sure all full drums are labeled properly <br />