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Sanitas""'G.9.3.25 Sanitas software licensed to Geo -Logic Associates. EPA <br />Hollow symbols indicate censored values. <br />Sen's Slope and 98% Confidence Band <br />AMW-1 <br />-5 <br />6/22/94 <br />20 <br />15 <br />10 <br />J <br />rn <br />E <br />5 <br />0 <br />-5 <br />6/22/94 <br />n=76 <br />Slope = -0.517 <br />units per year. <br />Mann -Kendall <br />normal approx. _ <br />-6.918 <br />critical = -2.33 <br />Decreasing trend <br />significant at 98% <br />confidence level <br />(a= 0.01 per <br />tail). <br />4/16/98 2/8/02 12/3/05 9/27/09 7/22/13 <br />Constituent: Nitrate as N Analysis Run 7/23/2013 2:43 PM <br />Facility: Forward Landfill Client: RSI Data File: Aust2Q13GCSan8 <br />• <br />• <br />M. <br />............... <br />.................................. <br />• <br />• <br />` •' `•� • <br />... <br />• <br />0 0 - <br />n=76 <br />Slope = -0.517 <br />units per year. <br />Mann -Kendall <br />normal approx. _ <br />-6.918 <br />critical = -2.33 <br />Decreasing trend <br />significant at 98% <br />confidence level <br />(a= 0.01 per <br />tail). <br />4/16/98 2/8/02 12/3/05 9/27/09 7/22/13 <br />Constituent: Nitrate as N Analysis Run 7/23/2013 2:43 PM <br />Facility: Forward Landfill Client: RSI Data File: Aust2Q13GCSan8 <br />