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v.8.7.009. EPA m.a.0.01 <br /> SEN'S SLOPEESTIMATOR <br /> -8 <br /> 15- <br /> n 44.n= 44. <br /> Slope = -0.07 <br /> units per year. <br /> 1 Mann Kendall <br /> normal approx. _ <br /> -4.178. <br /> Decreasiniz trend <br /> sigmficanat 99% <br /> z confidence level <br /> (two tailed). <br /> Critical value = -2.575. <br /> 0 ® ® <br /> Mar 1997 Feb 2003 Feb 2009 <br /> Hollow symbols indicate censored values. <br /> Constituent: Nitrate as N (mg/L) Facility: French Camp LP Data File: FRENCHIN <br /> Date: 3/19/09, 2:06 PM Client: French Camp LF i View: Batch <br /> ERST & ASSOCIATES, INC <br />