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y <br /> ,1 <br /> WORK REQUEST FORM <br /> Date of Request 06/16/03 Requested Completion Date 06/17-18/03 <br /> Proj Name Tuleburge Warehouse _Project Number 98-263 <br /> t <br /> Site Address 8200 N HMa 99 Stockton, CA Task none <br /> Project Manager John Lane r Field Tech A Scoma <br /> Client Contact Ray Baglietto Phone No 209-468-0433 <br /> Regulatory Contact Jeff Wong Phone No 209-468-0335 <br /> Approval Completion Date 0(c h 0'3 r r Piz <br /> READ AND UNDERSTAND THIS WORK REQUEST PRIOR TO ARRIVING ON <br /> SITE!!!11 <br /> Check in with store clerk "Ab" when you arrive on site Let him know thatyou'll be working <br /> around the monitoring wells <br /> Oen all well lids and allow to stabilize Wells MW7 MW8 and MW9 B were ND last round <br /> so you can discharge these drums to the ground surface There should be plenty of drums on site <br /> to contain all purge water <br /> Measure DTW/DTB in each well DTW approximately 63-65 feet Order is MW9 B MW7 <br /> MW8 MWS MW6 RINSE PROBE MW2 MW3 MW4 MW1 MW1 MW2 MW3 and <br /> MW4 are hot MW5 and MW6 had very low levels MW7 MW8 and MW9 B were clean <br /> Rinse WL probe between wells. Use interface probe on well MW1; well MW1 has had free <br /> product. Em skimmer and reset per water levels. <br /> Purge and sample wells in order The order is_MW9(B), MW7, MW8, MW5, MW6 MW2 <br /> MW3 MW4 MW1 Well MW1 is likely to have freeproduct, bail free product from well MW1 <br /> if measurable free roduct is present, then reset skimmer If no measurable free product is <br /> present in well MW1, then purge and sample the well, even of sheen develops. Wells MW1 <br /> and MW9 B are 4-inch others are 2-inch diameter Measure water parameters H <br /> conductive tem until they stabilize (usually 3-5 casing volumes Expected purge volumes <br /> are ap_rp oximately 8-12 gallons for wells MW5-MW8, 10-14 gallons for MW2-MW4, and 130- <br /> 150 gallons for MW9(B) Be sure to decon the outside of the pump and hoses between wells <br /> MW2 MW6 MW3 MW4 and MW1 if sampled). <br /> Contain groundwater in drums If you have enough drums try to dedicate drums for each well <br /> If ou need to combine drums, its okay to combine any combination of wells MW1, MW2, <br /> MW3 MW4 You should have drums on site from last sampling-will. need a minimum of 7 <br />