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Observation E.C. Volume Pumped Average Flow <br />Rate <br />Date pH (μmhos/cm) (gallons)(gal/day) <br />January 1/3/2025 8.3 2,710 30 1.2 <br />February 2/4/2025 7.2 4,810 180 5.6 <br />March 3/5/2025 7.9 4,530 36 1.2 <br />April 4/4/2025 7.2 5,220 44 1.5 <br />May 5/1/2025 6.9 6,210 10 0.4 <br />June 6/2/2025 7.1 6,560 20 0.6 <br />1.8 <br />Observation E.C. Volume Pumped <br />Average Flow <br />Rate <br />Date pH (μmhos/cm)(gallons)(gal/day) <br />January 1/3/2025 7.7 3,010 26,930 1,077 <br />February 2/4/2025 7.6 2,850 24,520 766 <br />March 3/5/2025 7.3 2,680 100 3.4 <br />April 4/4/2025 7.4 2,860 45,120 1,504 <br />May 5/1/2025 7.2 2,880 1,450 54 <br />June 6/2/2025 7.3 3,160 30 0.9 <br />568 <br />Observation E.C. Volume Pumped <br />Average Flow <br />Rate <br />Date pH (μmhos/cm) (gallons)(gal/day) <br />January 1/3/2025 7.6 2,780 1,970 79 <br />February 2/4/2025 7.1 2,690 6,710 210 <br />March 3/5/2025 7.4 2,480 6,760 233 <br />April 4/4/2025 7.0 3,160 10,390 346 <br />May 5/1/2025 6.7 3,080 7,270 269 <br />June 6/2/2025 6.4 3,760 8,510 266 <br />234 <br />Observation E.C. Volume Pumped <br />Average Flow <br />Rate <br />Date pH (μmhos/cm) (gallons)(gal/day) <br />January 1/3/2025 7.7 1,380 43,320 1,733 <br />February 2/4/2025 7.7 1,270 13,680 428 <br />March 3/5/2025 7.6 1,500 53,200 1,834 <br />April 4/4/2025 7.2 1,740 27,500 917 <br />May 5/1/2025 6.5 1,740 18,350 680 <br />June 6/2/2025 7.4 1,860 18,540 579 <br />1,028 <br />NR = Not Recorded. <br />Area 5 <br />Average leachate collection rate: <br />μmhos/cm = micromhos per centimeter <br />gal/day = gallons per day <br />E.C. = Electrical Conductivity <br />Area 3 <br />Average leachate collection rate: <br />Area 4 <br />Average leachate collection rate: <br />Average leachate collection rate: <br />Table 2 <br />First Semiannual 2025 Leachate Field Measurements <br />North County Recycling Center and Sanitary Landfill <br />Area 1 <br />1 of 1