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Sanitasl" 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-11 <br /> 300 <br /> 232 n=73 <br /> • <br /> Slope=-4.95 <br /> units per year. <br /> Mann-Kendall <br /> normal approx._ <br /> 164 -8.09 <br /> critical=-2.33 <br /> J <br /> Decreasing trend <br /> =3 significant at 98% <br /> ® confidence level <br /> 96 (a=0.01 per <br /> . • • tail). <br /> • + ®® • ® • .• ®• <br /> . o <br /> 28 <br /> 999009oc o.s000 coonoo•o <br /> -40 <br /> 3/3/94 12/23/97 10/14/01 8/5/05 5/27/09 3/19/13 <br /> Constituent: Tetrachloroethylene Analysis Run 4/19/2013 1:17 PM <br /> Facility: Forward Landfill Client: RSI Data File: AustVOCs <br />