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v.8.6.005, m.a.0.01 EPA <br />2( <br />SLOPE ' A , II' <br />AM)I,V-14- <br />C <br />n=46. <br />Sloe = -2.47 <br />units per year. <br />Mann Kendall <br />normal approx. _ <br />-2.907. <br />Decreasingg trend <br />sigmficanfat 99% <br />confidenc level <br />(two taile��. <br />Critical value = -2.575. <br />Jul 1995 Mar 2001 Nov 2006 <br />Hollow symbols indicate censored values. <br />Constituent: Tetrachloroethylene (ug/L) Facility: Austin Road LF Data File: AUSTINOR <br />Date: 1/8/07, 9:32 PM Client: Austin Road LF View: Batch <br />HERST & ASSOCIATES, INC. <br />