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TABLE <br /> First Semester 2006 Leachate Field Measurements <br /> North County Recycling Center and Sanitary Landfill <br /> Total Flow Flow Rate <br /> MONTH pH E.C. (timhos/cm) gallons gal/day <br /> Module 1 <br /> January 5.93 3630 6550 211.29 <br /> February 5.49 3900 6790 242.50 <br /> March 6.02 3850--,",-" 6060 195.48 <br /> April 5.85 3510 7200 240.00 <br /> May 6.06 3840 6411 206.80 <br /> June 6.15 N/A 6550 225.22 <br /> Module 3 <br /> January 6.13 2420 15660 501.93 <br /> February 5.77 2610 7160 255.71 <br /> March 6.13 2240 7470 240.96 <br /> April 6.06 2030 24670 822.33 <br /> May N/A N/A 1185 38.22 <br /> ........... ..................... <br /> June 6.20 N/A 11641 388.03 <br /> Module 4 <br /> ......................... <br /> January 6.23 1830 132366 4269.87 <br /> February 5.90 1910 26651 951.82 <br /> March 6.24 1440 128633 4149.45 <br /> April 6.24 1500 135677 4522.56 <br /> .............. <br /> May 6.25 1980 15462 498.77 <br /> .................-'- <br /> June 6.27 N/A 12382 412.73 <br /> GROUNDWATER DIRECTION AND FLOW RATE <br /> Groundwater levels were measured in monitoring wells G-1, G-313, G-4, G-5 and G-6 in both <br /> quarters this semester. Groundwater flow continues to be to the west by southwest(Figures 3 <br /> &4). The calculated average linear groundwater flow velocity in the second quarter was 12.456 <br /> feet per year based on a hydraulic gradient of 0.00037 foot per foot. These calculations can be <br /> found in Appendix G. <br /> North County RCSL 9 Public Works/Solid Waste <br /> 1 st Semester 2006 Groundwater Monitoring County of San Joaquin-July 31,2006 <br />