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Table 2.2 <br />Detection Monitoring Results and Compliance Summary <br />Austin Road Landfill <br />Analyte <br />Units <br />Concentration Limit <br />MDL <br />AMW-2 <br />11/14/12° <br />AMW-6 <br />11/26/12 <br />AMW-7 <br />11/26/12 <br />AMW-12 <br />11/14/12 <br />AMW-13 <br />11/14/12 <br />AMW-14 <br />11/14/12 <br />Field Parameters <br />H <br />pH units <br />6.67-8.35 <br />- <br />6.67 <br />7.13 <br />7.53 <br />6.78 <br />6.82 <br />6.92 <br />Specific Conductance <br />µmhos/ctn <br />1428 <br />- <br />1294 <br />477 <br />568 <br />949 <br />951 <br />1002 <br />Temperature <br />°C <br />21.17 <br />- <br />18.2 <br />19.4 <br />21.3* <br />17.2 <br />18.2 <br />18.7 <br />Turbidity <br />NTU <br />470.6 <br />- <br />4 <br />1 <br />3 <br />1 <br />2 <br />7 <br />Monitoring Parameters <br />Arsenic <br />m L <br />0.006555 <br />- <br />0.0037 <br />0.0045 <br />0.0040 <br />0.0045 <br />0.0045 <br />0.0040 <br />Barium <br />mg/L <br />0.2204 <br />- <br />0.15 <br />0.15 <br />0.18 <br />0.23* <br />0.26* <br />0.27* <br />Bicarbonate <br />mg/L <br />492 <br />- <br />430 <br />170 <br />210 <br />330 <br />420 <br />350 <br />Calcium <br />mg/L <br />144.2 <br />- <br />110 <br />40 <br />50 <br />85 <br />84 <br />90 <br />Carbonate <br />mg/L <br />25 <br />- <br /><5.0 <br /><2.5 <br /><2.5 <br /><2.5 <br /><2.5 <br /><2.5 <br />Chloride <br />mg/L <br />74.34 <br />- <br />60 <br />39 <br />39 <br />87* <br />42 <br />81* <br />Chromium, Hexavalent <br />mg/L <br />0.004855 <br />- <br />0.0029 <br />0.0051 * <br />0.0058* <br />0.0037 <br />0.0040 <br />0.0033 <br />Magnesium <br />mg/L <br />64.29 <br />- <br />55 <br />20 <br />25 <br />41 <br />44 <br />44 <br />Nitrate as N <br />mg/L <br />125 <br />- <br />33 <br />3.4 <br />6.0 <br />11 <br />11 <br />12 <br />Oil and Grease <br />mg/L <br />3 <br />- <br /><5.7 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br />Potassium <br />mg/L <br />10.89 <br />- <br />9.6 <br />6.1 <br />7.3 <br />4.8 <br />6.6 <br />5.6 <br />Sodium <br />mg/L <br />82.37 <br />- <br />70 <br />24 <br />26 <br />48 <br />48 <br />51 <br />Strontium <br />mg/L <br />1.395 <br />- <br />1.2 <br />0.39 <br />0.53 <br />0.9 <br />0.92 <br />0.98 <br />Sulfate <br />mg/L <br />148.1 <br />- <br />120 <br />24 <br />25 <br />59 <br />63 <br />75 <br />Total Dissolved Solids <br />mg/L <br />988.7 <br />- <br />890 <br />320 <br />390 <br />630 <br />650 <br />660 <br />Volatile Petroleum Hydrocarbons <br />ug/L <br />25 <br />- <br /><50 <br /><50 <br /><50 <br /><50 <br /><50 <br /><50 <br />Volatile Organic Compounds <br />l,l-Dichloroethane <br />ug/L <br />Detect <br />0.11 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.32J <br /><0.50 <br />cis-1,2-Dichloroethene <br />ug/L <br />Detect <br />0.085 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.21J <br /><0.50 <br />Dichlorodifluoromethane <br />ug/L <br />Detect <br />0.099 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.50* <br /><0.50 <br />Tetrachloroethene <br />ug/L <br />Detect <br />0.13 <br /><0.50 <br />0.27J <br /><0.50 <br /><0.50 <br />7.8* <br />0.86* <br />Trichloroethene <br />ug/L <br />Detect <br />0.085 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />2.2* <br /><0.50 <br />Trichlorofluoromethane <br />ug/L <br />Detect <br />0.13 <br /><0.50 <br /><0.50 <br /><0.50 <br />1 <0.50 <br />1 0.35J <br /><0.50 <br />t Denotes the sampling date. <br />JDenotes detections above the method detection limit but at or below the laboratory reporting limit. <br />* Denotes a downgradient value exceeding the concentration limit. <br />