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Sanitas'"v.9.3.24 For the statistical analyses of ground water by Geologic Associates only.EPA <br /> Hollow symbols indicate censored values. <br /> Sen's Slope Estimator <br /> AMW-10 <br /> 20 <br /> • <br /> 16 n=73 <br /> • • Slope=-0.3631 <br /> units per year. <br /> Mann-Kendall <br /> normal approx._ <br /> 12 -4.744 <br /> critical=-2.33 <br /> • <br /> J <br /> Decreasing trend <br /> • • % significant at 98% <br /> • confidence level <br /> $ (a=0.01 per <br /> • • tail). <br /> s • <br /> • <br /> • <br /> • <br /> 4 ® ®® <br /> • <br /> • <br /> • • <br /> • <br /> 40's 00 <br /> 0 000%060 <br /> 3/3/94 12/23/97 10/14/01 8/5/05 5/27/09 3/18/13 <br /> Constituent: Trichloroethylene Analysis Run 4/19/2013 1:17 PM <br /> Facility: Forward Landfill Client: RSI Data File: AustVOCs <br />