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Table 2.2 <br /> Detection Monitoring Results and Compliance Summary <br /> Austin Road Landfill <br /> AMW-2 AMW-6 I AMW-7 AMW-12 AMW-13 AMW-14 <br /> Analyte Units Concentration Limit MDL 2/1/061 2/1/06 2/2/06 2/1/06 2/1/06 2/1/06 <br /> Field Parameters <br /> H pH units 6.51-8.332 - 7.3 7.7 8.4* 7.7 7.4 7.1 <br /> Specific Conductance hos/cm 1427 - 1500 390 400 770 1100 700 <br /> Temperature °C 21.66 - 19 23* 24* 17.7 18.0 17.6 <br /> Turbidity NTU 97 - <1 <1 <1 NM NM <1 <br /> Monitoring Parameters <br /> Arsenic m 0.00812 - 0.0013J 0.0016J 0.0032J 0.00191 0.0014J 0.00095J <br /> Barium tnglL 0.2422 - 0.18 0.18 0.19 0.26* 0.26* 0.21- <br /> Bicarbonate m 500 - 420 450 160 350 330 340 <br /> Calcium m 155 - 120 110 45 90 54 61 <br /> Carbonate m 6 - <6.0 <6.0 8.0* <3.0 <3.0 <3.0 <br /> Chloride m 79.2 - 64 65 39 44 59 39 <br /> Chromium,Hexavalent m 0.00741 - 0.0035 0.0032 0.0051 0.0032 0.0036 0.0024 <br /> Magnesium m 71.37 - 55 56 22 42 46 31 <br /> Nitrate as N m 76.8 - 38 38 5.6 16 11 5.4 <br /> Oil and Grease mgfL 5 - <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <br /> Potassium m 11.47 - 9.6 9.1 7.7 4.1 6.5 4.8 <br /> Sodium m 82.33 - 73 70 27 49 47 38 <br /> Strontium m 1501 - 1.2 1.2 0.56 0.95 0.92 0.68 <br /> Sulfate m 153.3 - 120 120 23 62 56 32 <br /> Total Dissolved Solids m 986.1 - 820 880 290 520 550 460 <br /> Volatile Petroleum Hydrocarbons u 25 - <50 <50 <50 <50 25J 191 <br /> Volatile Organic Compounds <br /> 1,1-Dichloroethane u Detect 0.13 <0.50 <0.50 <0.50 <0.50 1.1 0.66 <br /> 1,2-Dichloro roane u Detect 0.16 <0.50 <0.50 <0.50 <0.50 0.22J 0.43J <br /> Chloroform u L Detect 0.11 <0.50 <0.50 <0.50 <0.50 0.24J <0.50 <br /> cis-1,2-Dichloroethene u L Detect 0.19 <0.50 <0.50 <0.50 <0.50 2.3 0.38J <br /> Dichlorodifluoromethane u L Detect 0.20 <0.50 <0.50 <0.50 <0.50 2.8 1.6 <br /> Tetrachloroethene u Detect 0.15 <0.50 <0.50 <0.50 <0.50 43 41 <br /> trans-1,2-Dichloroethene u L Detect 0.19 <0.50 <0.50 <0.50 <0.50 0.357 <0.50 <br /> Trichloroethene u Detect 0.18 <0.50 <0.50 <0.50 <0.50 154.3 <br /> Trichlorofluoromethane u Detect 0.20 <0.50 <0.50 <0.50 <0.50 1.0 0.307 <br /> J Denotes detections above the method detection limit but below the reporting limit. <br /> *Denotes a downgradient value exceeding the concentration limit. <br /> f Denotes the sampling date. <br /> NMBryan A.Stirrat&Associates did not report afield turbidity value for AW-12 or AMW--13. <br /> /):AHERST & ASSOCIATES, INC. <br />