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v.8.6.005. m.a.0.01 EPA <br />Nwk <br />20( <br />5( <br />SLOPESENS ESTIMATOR <br />1 <br />L' <br />i• <br />• <br />Slope = -6.132 <br />units per year. <br />Mann Kendall <br />normal approx. _ <br />-4.17. <br />Decreasingtrend <br />significanat 99% <br />confide c level <br />(two tai lnec�. <br />Critical vale = -2.575. <br />Mar 1994 Jul 2000 Nov 2006 <br />Constituent: Tetrachloroethylene (ug/L) Facility: Austin Road LF Data File: AUSTINOR <br />Date: 1/8/07, 10:37 PM Client: Austin Road LF View: Batch <br />HERST & ASSOCIATES, INC. <br />1 <br />L' <br />i• <br />• <br />Slope = -6.132 <br />units per year. <br />Mann Kendall <br />normal approx. _ <br />-4.17. <br />Decreasingtrend <br />significanat 99% <br />confide c level <br />(two tai lnec�. <br />Critical vale = -2.575. <br />Mar 1994 Jul 2000 Nov 2006 <br />Constituent: Tetrachloroethylene (ug/L) Facility: Austin Road LF Data File: AUSTINOR <br />Date: 1/8/07, 10:37 PM Client: Austin Road LF View: Batch <br />HERST & ASSOCIATES, INC. <br />