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v.8.7.009. EPA m.a.0.01 <br /> SEN'S SLOPEESTIMATOR <br /> AMW-7 <br /> s <br /> n = 66. <br /> Slo e = 0.347 <br /> ® ♦ units per year. <br /> a ® ® ® ® Mann Kendall <br /> ® normal approx. _ <br /> z ® ® ♦ ® 8.147. <br /> Increasin trend <br /> significant at 99% <br /> z ♦ confidence leve <br /> ® (two tailed). <br /> ® Critical value = 2.575. <br /> 000 <br /> 2 <br /> 0 <br /> Aug 1991 Nov 1999 Feb 2008 <br /> Hollow symbols indicate censored values. <br /> Constituent: Nitrate as N (mg/L) Facility: Austin Road LF Data File: AUSTININ <br /> Date: 4/10/08, 11:41 AM Client: Aust' oad LF View: Batch <br /> HERST & SOCIATES, INC.a <br />