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v.8.7.009. EPA m.a.0.01 <br /> SEN'S SLOPE ESTIMATOR <br /> AMW- <br /> 60- <br /> 5 n= 44. <br /> units nts per year <br /> 4 <br /> Mann Kendall <br /> :� normal approx. _ <br /> 0 <br /> -2.875. <br /> 0 <br /> 3 Decreasin trend <br /> significantat 99% <br /> H confidence level <br /> 2 (two tailed). <br /> Critical value = -2.575. <br /> 10- <br /> 0 <br /> Mar 1996 Aug 2002 Feb 2009 <br /> Hollow symbols indicate censored values. <br /> Constituent: Tetrachloroethylene (ug/L) Facility: Austin Road LF Data File: AUSTINOR <br /> Date: 3/11/09, 8:26 AM Client: Austin Road LF View: Batch <br /> Amk <br /> PER & A IATES, INC! <br />