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v.8.7.009. EPA m.a.0.01 <br /> SEWS SLOPE ESTIMATOR <br /> -2 <br /> 200 <br /> n= 46. <br /> 150 Sloe = -9.665 <br /> On <br /> units per year. <br /> Mann Kendall <br /> normal approx. _ <br /> -3.22. <br /> 100 Decreasing trend <br /> significanf at 99% <br /> F confidence level <br /> (two tailed). <br /> Critical value = -2.575. <br /> 50 <br /> 0 <br /> Mar 1991 Dec 1999 Aug 2008 <br /> :onstituent: Total Dissolved Solids [TDS] (mg/L) Facility: Austin Road LF Data File: AUSTININ <br /> Date: 1/13/09, 9:39 AM Client: Austin Road LF View: Batch <br /> 49 49 ERST & CIATES, INC <br />