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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 /> A -4 <br /> 50 <br /> 39.4 n=59 <br /> Slope=-0.395 <br /> units per year. <br /> Mann-Kendall <br /> normal approx. _ <br /> 28.8 ® -5.302 <br /> ® critical=-2.33 <br /> • <br /> J <br /> Decreasing trend <br /> ® significant at 98% <br /> • confidence level <br /> 18.2 (a=0.01 per <br /> tail). <br /> • <br /> 7.6 <br /> 0 0 CI 000 0000 06 <br /> -3 <br /> 3/12/96 8/7/99 1/1/03 5/28/06 10/22/09 3/18/13 <br /> Constituent: Tetrachloroethylene Analysis Run 4/19/2013 1:17 PM <br /> Facility: Forward Landfill Client: RSI Data File: AustVOCs <br />