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SanitaOs9.3.25 Sanitas software licensed to Geo -Logic Associates. EPA <br />Hollow symbols indicate censored values. <br />50 <br />38.4 <br />26.8 <br />J <br />rn <br />15.2 <br />3.6 <br />-8 <br />3/12/96 <br />Sen's Slope and 98% Confidence Band <br />n=60 <br />Slope = -0.3792 <br />units per year. <br />Mann -Kendall <br />normal approx. _ <br />-5.535 <br />critical = -2.33 <br />Decreasing trend <br />significant at 98% <br />confidence level <br />(a = 0.01 per <br />tail). <br />8/31/99 2/19/03 8/10/06 1/29/10 7/20/13 <br />Constituent: Tetrachloroethylene Analysis Run 7/23/2013 2:03 PM <br />Facility: Forward Landfill Client: RSI Data File: Aust2Q13VOCSan8 <br />• <br />• <br />• <br />• <br />• <br />• <br />• <br />•• <br />.........0...0 .... <br />.....................•..•...... <br />•••t ••W <br />dOO'OOOOAOO.O.A <br />n=60 <br />Slope = -0.3792 <br />units per year. <br />Mann -Kendall <br />normal approx. _ <br />-5.535 <br />critical = -2.33 <br />Decreasing trend <br />significant at 98% <br />confidence level <br />(a = 0.01 per <br />tail). <br />8/31/99 2/19/03 8/10/06 1/29/10 7/20/13 <br />Constituent: Tetrachloroethylene Analysis Run 7/23/2013 2:03 PM <br />Facility: Forward Landfill Client: RSI Data File: Aust2Q13VOCSan8 <br />• <br />