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v.8.7.009. EPA m.a.0.01 <br /> SEN'S SLOPE ESTIMATOR <br /> 500- <br /> 40 n = 38. <br /> Slope = 1.668 <br /> units per year. <br /> Mann Kendall <br /> 300- - ----_- — - - statistic = 279. <br /> Trend significant <br /> at 99% confidence <br /> 20 level (two tailed) <br /> ® Critical value = 06. <br /> ♦ ♦® <br /> 100-- -- <br /> 0 <br /> Aug 1991 Sep 1999 Nov 2007 <br /> Constituent: Bicarbonate as CaCO3 (mg/L) Facility: Austin Road LF Data File: AUSTININ <br /> Date: 12/17/07, 10:49 AM Client: Austin Road LF View: _Batch_ <br /> HERST ASSOCIATES, INC! <br />