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TABLE 2 <br /> FOOTHILL SANITARY LANDFILL <br /> FIRST QUARTER 2000 SURFACE WATER MONITORING RESULTS <br /> (Units mg/1 unless noted) <br /> Sampling Designation -1 S-2 Conc. <br /> Sampling Date 1-24-00 1-24-00 Limits <br /> pH(units) 6.85 6.85 2.44-11.9 <br /> Electrical Conductivity(µmhos/cm) 54.83 50.45 368.8 <br /> Turbidity(NTU) 80.2 183.2 758.9 <br /> Temperature(°C) 15.1 15.2 -- <br /> ' Dissolved Oxygen (mg/1) 1.61 1.81 (1) <br /> Chloride 2.40 2.44 6588 <br /> Nitrate-nitrogen ND ND (2) <br /> ' Total Dissolved Solids 106 109 4192 <br /> Total Suspended Solids 14.0 33.0 192 <br /> Sulfate 3.18 3.09 (2) <br /> Oil and Grease 1.28 1.47 (1) <br /> Chemical Oxygen Demand 37.5 37.5 (1) <br /> TOC 15.9 13.9 122.8 <br /> Total Alkalinity 20.7 21.1 (1) <br /> ' Carbonate ND ND (1) <br /> Bicarbonate 20.7 21.1 (1) <br /> Dissolved Metals(mg/1) <br /> Aluminum 0.723 0.968 (1) <br /> Antimony ND ND (1) <br /> Arsenic ND ND (1) <br /> Barium 0.0677 0.0667 (1) <br /> Beryllium ND ND (1) <br /> Boron ND ND (1) <br /> Cadmium ND ND (1) <br /> Chromium ND ND (1) <br /> Hexachromium ND ND (1) <br /> ' Cobalt ND ND (1) <br /> Copper ND ND (1) <br /> Iron 0.681 0.905 (1) <br /> ' Lead ND ND (1) <br /> Manganese 0.0193 0.0269 (1) <br /> Mercury ND ND (1) <br /> ' Nickel ND ND (1) <br /> Selenium ND ND (1) <br /> Silver ND ND (1) <br /> Thallium ND ND (1) <br /> ' Tin ND ND (1) <br /> Vanadium ND ND (1) <br /> ' Zinc ND 0.00715 (1) <br /> Cyanide(Total) ND 0.00317* (1) <br /> Sulfide ND ND (1) <br /> ' ND=Not Detected <br /> *=Trace Concentration (Estimated Value) <br /> 1)Not Established because insufficient background data to establish concentration limit <br /> ' 2 Not Established because false sitiv rate>5% <br /> 9 <br />