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v.8.7.009. EPA m.a.0.01 <br /> SEWS SLOPE ESTIMATOR <br /> AMW- <br /> 20 <br /> n = 56. <br /> 150- Slope = -5.484 <br /> ® units per year. <br /> ® Mann Kendall <br /> ♦ normal approx. _ <br /> -6.569. <br /> 10 o. ® Decreasin trend <br /> _0 significant'at 99% <br /> ® ® confidence leve <br /> ® ♦ (two tailed). <br /> Critical value = -2.575. <br /> 50- <br /> 01 <br /> Mar 1994 Feb 2001 Feb 2008 <br /> Hollow symbols indicate censored values. <br /> Constituent: Chloride (mg/L) Facility: Austin Road LF Data File: AUSTININ <br /> Date: 4/10/08, 1:14 PM Client: Ausafoad LF View: Batch <br /> NERST & ASSOCIATES, INC: <br />