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i 0 i <br /> v.8.7.009. EPA m.a.0.01 <br /> SEWS SLOPE ESTIMATOR <br /> 15 <br /> n = 20. <br /> a <br /> Slope = -8.497 <br /> units per year. <br /> 10 Mann Kendall <br /> statistic = -82. <br /> IaD *< <br /> 44* <br /> Decreasing trend <br /> significant at 99% <br /> confidence level <br /> (two tailed). <br /> 5 <br /> Critical value = -81. <br /> ♦® o <br /> 0 <br /> Feb 1997 Nov 2002 Aug 2008 <br /> Hollow symbols indicate censored values. <br /> lstituent: Chemical Oxygen Demand [COD] (mg/L) Facility: Austin Road LF Data File: AUSTININ <br /> Date: 1/13/09, 9:41 AM Client: Austin Road LF View: Batch <br /> ERST & ASSOCIATES, INC <br />