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Musco Family Olive Company - 6 - 12 December,2006 <br /> Table 5 ' <br /> Surface Im oundment Analytic I Results <br /> Constituents/ Average (1996-2003) Water Quality Goals' <br /> Parameters Pond A Pond B Groundwater Surface Water <br /> EC (pmhos/cm) 61,187 41,540 7002 7002 <br /> pH 8.77 8.90 6.5-8.42 6.5-8.42 <br /> TDS (mg/1) 79,470 41,021 4502 4502 <br /> Chloride (mg/1) 27,577 13,601 1062 1062 <br /> Sulfate (mg/1) 915 310 2503 2503 <br /> Nitrate (mg/1) 1 5 104 104 <br /> COD (mg/1) 30,391 18,140 - - <br /> Total Hardness (mg/1) 320 212 - - <br /> Calcium (mg/1) 155 100 - - <br /> Magnesium (mg/1) 96 53 - - <br /> Potassium (mg/1) 3,203 1,243 - - <br /> Total Alkalinity as CaCO3 22,660 10,490 - - <br /> m /I <br /> 'A Compilation of Water Quality Goals (RWQCB-CV, 2004, http://wwwswrcb.ca.gov/rwgcb5/) <br /> 2Agricultural Water Quality Goals (Food & Ag. Org. of United Nations) <br /> 3Drinking Water Standards - Secondary MCL (taste & odor or welfare-based) <br /> 4California Public Health Goal (Cal/EPA, OEHHA) <br /> Groundwater Monitoring Well Network _ <br /> The Discharger constructed a groundwater production well in 1983. The well is approximately <br /> 607 feet deep with a sanitary seal from the surface to 50-feet below ground surface. A gravel <br /> pack exists from 50 to 607 feet below ground surface. Based on five sampling events performed <br /> from 1982 to 1999, the water quality in the well is as summarized in Table 6: <br /> Table 6 <br /> Musco's Production Well Analytical Results <br /> Constituent Units Range Average Standard Average plus two <br /> Deviation Std Deviations <br /> TDS mg/L 1,280— 1,971 1513 267 2,047 <br /> Sodium mg/L 228-477 372 112 597 <br /> Chloride mg/L 187 - 514 334 133 601 <br /> Nitrogen-N mg/I 3.7-5.5 4.4 0.7 6 <br />