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li <br /> H <br /> 3330 Data Drive <br /> r Delta Suite 100 <br /> ��. En�ironmentaf i <br /> Rancho Cordova,CA 95670 <br /> ii 9161638-20$5 <br /> Consultants,Inc. FAX:9161638-8385 <br /> . <br /> RECEIVED <br /> October 16, 1992 OCT �� <br /> I ®� <br /> I-NVIRONlyMENTAL HEALTH <br /> Mr. Wade Broughton <br /> General Mills 'E l <br /> Post Office Box 3002 <br /> Lodi, California 95241-1906 N <br /> Subject: Quarterly Monitoring Report, Third Quarter 1992 <br /> General Mills Facility <br /> 2000 West Turner Road <br /> Lodi, California ,I <br /> k <br /> Delta Project No. 40-92-708 <br /> Dear Mr. Broughton: <br /> Delta Environmental Consultants, Inc. (Delta), has been authorized by General Mills Incorporated <br /> (General Mills), to conduct a hydrogeologic investigation" and assessment of the former underground <br /> fuel oil tank location at the General Mills facility located at 2000 West Turner Road, Lodi, <br />" San Joaquin County, California. The.location of the site is shown in Figure 1 and site features are <br /> shown in Figure 2. <br /> ;I <br /> � h <br /> Introduction <br /> 'I I <br /> This letter report presents the results of the most recent quarterly monitoring activities including '. <br /> ground water level measurements and sampling for chemical analysis of petroleum hydrocarbon <br /> constituents. The field work was conducted at the site in accordance with the field methods and <br /> P presented resented in Enclosure A. <br /> r <br /> li I <br /> li � <br /> k' Ground Water Table Elevation Measurements <br /> E. <br /> A total of three on-site monitoring wells were measured for depth to ground water .on <br /> September 17 1992 (Figure 2 . The round water table was measured at the site between <br /> P (F b'u } g <br /> approximately 41 and 42 feet below the surface. Ground water level measurements recorded to date <br /> are compiled in Table 1. Ground water level measurements collected on September 17, 1992, were <br /> used to construct the water table contour ma shown in Figure 3. The rim direction of round <br /> F � primary g <br /> water flow is toward the southwest with a hydraulic gradient of approximately 0.005. <br /> 6 <br /> Delta Delivers Solutions �I <br />