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RA <br /> Working to Restore Nature <br /> as shown on Plates 3 and 4, respectively. <br /> ' In the local upper aquifer, the groundwater.level <br /> rose an average of 0.32 foot; ranging from 0.27 foot in well ,MW-7:to 0:38 foot m well <br /> MW-5. In the local,.lower. aquifer, the groundwater level rose an-averse of 0.39 foo <br /> f q �. �o. g >y . <br /> ranging from 0.38 foot in wells MW-2 and MW-4 to 0.40 foot in well MW-3. The apparent <br /> groundwater flow direction in the local upper aquifer is to the southeast at a gradient of <br /> approximately 0.006 (Plate 3). -The apparent groundwater flow direction in the'local lower <br /> aquifer is to the:east-southeast at a gradient of approximately 0:003 (Plate 4). <br /> Laboratory analyses of the water samples coilected that from well MW-5 before and after <br /> pumping on February 8, 1994, (samples MW-5A and MW-5B) indicated TPHg and BTEX <br /> were not detected in these samples. Laboratory analyses:of water samples collected on <br /> March 25, 1994, indicated that TPHg and.BTEX were not detected in any of the sampled <br /> monitoring wells. Wells MW-3 and MW-4 .were not sampled because they are located. <br /> upgradient of the underground storage tanks, and historically TPHg.and BTEX have not <br /> been detected in'the groundwater from these .wells. The next quarterly groundwater <br /> fi sampling°is scheduled for June 1994. <br /> Reporting Requirements <br /> RESNA recommends a that copy this re ort be forwarded,by Quik Stop Markets, Inc., to <br /> the following agencies. <br /> Mr. Michael'Collins, R.E.H.S. <br /> E <br /> Environmental Health Specialist <br /> San-Joaquin County Public Health Services <br /> Environmental Health Division <br /> P.O..Box 2009 <br /> Stockton, California 95201 <br /> { Ms. Elizabeth Thayer <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier.Road . <br /> Sacramento, California 95827-3098 <br /> Fn 93/Q14. 3 <br />