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v.8.6.005. ma. 0.01 EPA <br />0) <br />D. <br />Mean= 73.88 after <br />outlier removal 62.8. <br />Std. Dev. = 46.9 1, after <br />outlier removal 15.97. <br />Critical Tn = 2.443 <br />after outlier removal <br />2.409. <br />Statistical outliers <br />are shown as solid squares. <br />Data, after outlier removal, <br />were found to be normally <br />distributed. <br />Normality test used: <br />Shavin? Wilk. <br />W Statistic = 0.9363 <br />W Quantile = 0.881 <br />Feb 1997 Jan 2002 Nov 2006 <br />Note: EPA guidance directs that statistical outliers should not be removed or altered unless independent evidence of an <br />error exists. <br />Constituent: Bicarbonate as CaCO3 (mg/L) Facility: Austin Road LF Data File: AUSTININ <br />Date: 1/8/07, 6:19 PM Client: Austin Road LF View: —Batch <br />® HERST ISOCIATES, INC. <br />