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0 <br /> Table 2.4 <br /> Corrective Action Monitoring Trend Analysis Summary <br /> Austin Road Landfill <br /> AMW-1 AMW-3 AMW4 AMW-5 AMW-10 AMW-11 AMW-18 AMW-19 <br /> Analyte Units 5/9/071 — 5/8/07 — 5/8/07 5/8/07 5/8/07 5/8/07 <br /> Field Parameters <br /> Temperature °C NS NS <br /> Specific Conductance mhos/cm > NS NS < <br /> H pH units < NS NS > <br /> Turbidity NTU NS < NS > <br /> Monitoring Parameters <br /> Arsenic m L NS NS < < <br /> Barium m > NS < NS – > <br /> Bicarbonate m > NS < NS – > <br /> Calcium m L – NS < NS – < <br /> Carbonate m NS NS <br /> Chloride m L < NS < NS – < <br /> Chromium,Hexavalent m L NS NS <br /> Magnesium m L NS < NS – < <br /> Nitrate as N m L < NS NS <br /> Oil and Grease m L NS NS <br /> Potassium mgZL NS < NS <br /> Sodium m L NS NS – < < <br /> Strontium m L NS < NS < <br /> Sulfate m L < NS NS > – < < <br /> TDS m L NS < NS < <br /> Volatile Petroleum Hydrocarbons u L – NS NS <br /> Volatile Organic Compounds <br /> 1,1-Dichloroethane u L – NS NS <br /> 1,1-Dichloroethene ugZL – NS NS <br /> 1,2-Dichloro ro ane u L – NS NS < <br /> Benzene u L – NS – NS <br /> Chloroethane u L – NS – NS <br /> Chloromethane u L – NS – NS <br /> Chloroform u L – NS – NS <br /> cis-1,2-Dichlroethene urZL > NS – NS > < <br /> Dichlorodifluoromethane u L < NS – NS < <br /> Di-isopropyl Ether u L NS – NS -- > <br /> Tetrachloroethene ugZL NS NS < <br /> trans-1,2-Dichloroethene u L NS NS <br /> Trichloroethene u L NS I NS I < <br /> Vinyl Chloride u L I > I NS I NS <br /> No apparent trend. <br /> >Apparent increasing trend. <br /> <Apparent decreasing trend. <br /> Constituents reported as non-detect were not evaluated for trends. <br /> f Denotes the sampling date. <br /> NS ATC Associates,Inc.reported that MW-3 has been abandoned and MW-5 was not sampled due to a nonfunctional pump lodged in the well. <br />