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Table 2.2 <br /> Detection Monitoring Results and Compliance Summary <br /> Austin Road Landfill <br /> AMW-2 AMW-6 AMW-7 AMW-12 AMW-13 AMW-14 <br /> Analyte Units Concentration Limit MDL 5/5/09 5/6/09 5/6/09 5/5/09 5/5/09 5/5/09 <br /> Field Parameters <br /> H pH units 6.557-8.272 - 7.35 7.43 7.83 7.56 7.41 7.44 <br /> Specific Conductance µmhos/cm 1437 - 855 333 397 403 645 620 <br /> Temperature °C 21.26 - 18.6 19.2 20.9 18.3 18.8 18.5 <br /> Turbidity NTU 97 - 3 <1 <1 <1 <1 3 <br /> Monitoring Parameters <br /> Arsenic mg/L 0.006943 - 0.0036 0.0037 0.0034 0.0044 0.0040 0.0031 <br /> Barium mg/L 0.2368 - 0.17 0.14 0.21 0.14 0.26* 0.23 <br /> Bicarbonate mg/L 516.3 - 440 170 200 200 320 240 <br /> Calcium mg/L 139.6 - 110 38 49 47 79 74 <br /> Carbonate mg/L 12 - <5.0 <2.5 <2.5 <2.5 <2.5 <2.5 <br /> Chloride mg/L 77.63 - 48 39 42 29 49 68 <br /> Chromium,Hexavalent mg/L 0.005 - 0.0036 0.0048 0.0055* 0.0021 0.0042 0.0033 <br /> Ma nesium mg/L 64.87 - 51 18 23 22 42 37 <br /> Nitrate as N mg/L 76.8 - 30 2.5 6.0 4.8 12 13 <br /> Oil and Grease mg/L 5 - <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <br /> Potassium mg/L 10.62 - 8.9 6.2 8.0 3.0 6.0 5.0 <br /> Sodium mg/L 78.97 - 68 22 27 36 45 42 <br /> Strontium mg/L 1.351 - 1.2 0.42 0.63 0.5 0.88 0.81 <br /> Sulfate mg/L 151.4 - 110 25 27 33 64 57 <br /> Total Dissolved Solids mg/L 1190 - 860 300 390 390 620 620 <br /> Volatile Petroleum Hydrocarbons ug/L 25 - <50 <50 <50 <50 <50 <50 <br /> Volatile Organic Compounds <br /> Dichlorodifluoromethane ug/L Detect 0.22 <0.50 0.26J <0.50 <0.50 <0.50 <0.50 <br /> Tetrachloroethene ug/L Detect 0.28 <0.50 0.71* <0.50 <0.50 3.6* 6.9* <br /> Trichloroethene ug/L Detect 0.16 <0.50 <0.50 <0.50 <0.50 0.78* 0.50J <br /> J Denotes detections above the method detection limit but at or below the reporting limit. <br /> *Denotes a downgradient value exceeding the concentration limit. <br /> f Denotes the sampling date. <br />