ARCHIVED REPORTS_2009_12 - Laserfiche WebLink

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Table 2.2 Detection Monitoring Results and Compliance Summary Austin Road Landfill AMW-2 AMW-6 AMW-7 AMW-12 AMW-13 AMW-14 Analyte Units Concentration Limit MDL 2/10/091 2/11/09 2/10/09 2/10/09 2/9/09 2/9/09 Field Parameters H pH units 6.541-8.318 - 6.71 7.65 7.90 7.42 7.24 6.44 Specific Conductance os/cm 1442 - 1240 499 610 712 1010 976 T tore °C 21.29 - 17.8 18.5 19.5 17.5 17.7 17.8 Turbidity NTU 97 - i <1 <1 <l 2 1 Monitoring Parameters Arsenic m 0.007015 - 0.0018J 0.0049 0.0042 0.0033 0.0031 0.0028 Barium m 0.2378 - 0.15 0.14 0.21 0.17 0.29* 0.24* Bicarbonate m 514.5 - 440 160 210 280 430 310 Calcium m 140.3 - 110 37 48 56 90 76 Carbonate m 12 - <5.0 <2.5 <2.5 <2.5 <2.5 <2.5 Chloride m 77.88 - 49 38 39 32 44 67 Chromium,Hexavalent m 0.005 - 0.0039 0.0057* 0.0062* 0.0022 0.0038 0.0029 Magnesium m 65.21 - 52 18 23 26 47 38 Nitrate as N m 76.8 - 30 2.8 6.2 5.7 12 12 Oil and Grease m 5 - <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 Potassium m 10.66 - 9.2 5.9 8.0 3.5 6.8 5.3 Sodium m 79.22 - 69 23 28 41 49 44 Strontium m 1341 - 1.2 0.4 0.64 0.61 1 0.86 Sulfate m 151.4 - 120 24 30 38 67 59 Total Dissolved Solids n19IL 1190 - 900 300 360 420 610 570 Volatile Petroleum Hydrocarbons UEL 25 - <50 <50 <50 <50 13J <50 Volatile Organic Compounds 1,1-Dichloroethane u Detect 0.13 <0.50 <0.50 <0.50 <0.50 0.31J <0.50 1,2-Dichloropropane UFL Detect 0.16 <0.50 <0.50 <0.50 <0.50 <0.50 0.181 cis-1,2-Dichloroethene u Detect 0.64 <0.50 <0.50 <0.50 <0.50 0.64 <0.50 Dichlorodifluoromethane UgIL Detect 0.22 <0.50 <0.50 <0.50 <0.50 0.89 0.82 Tetrachloroethene u Detect 0.28 <0.50 <0.50 <0.50 <0.50 13 12 Trichloroethene u Detect 0.16 -0.50 1 <0.50 <0.50 <0.50 3.9 0.85 Trichlorofluoromethane u Detect 0.22 .0.50 1 <0.50 <0.50 <0.50 0.46J <0.50 JDenotes detections above the method detection limit but below the reporting limit. *Denotes a downgradient value exceeding the concentration limit. t Denotes the sampling date.