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Sanitas' v.9.3.25 For the statistical analyses of ground water by Geologic Associates only. EPA <br />Hollow symbols indicate censored values. <br />50 <br />34 <br />18 <br />rn <br />2 <br />-14 <br />-30 <br />11/7/07 <br />Sen's Slope and 98% Confidence Band <br />I-1i•k,F,JSR7Q.1 <br />• <br />• <br />....... <br />... .................. <br />, <br />.�..®. <br />,m <br />, <br />n=21 <br />Slope = -0.7648 <br />units per year. <br />Mann -Kendall <br />statistic = -152 <br />critical = -78 <br />Decreasing trend <br />significant at 98% <br />confidence level <br />(a = 0.01 per <br />tail). <br />12/31/08 2/25/10 4/22/11 6/16/12 8/11/13 <br />Constituent: Chromium [Hexavalent], Dis. Analysis Run 9/4/2013 1:13 PM <br />Facility: Forward Landfill Client: RSI Data File: Aust2Q13GCSan8 <br />i • • <br />