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v.9.0.31 . UG <br />Hollow symbols indicate censored values. <br />Exceeds Limit: AMW-12 <br />200 <br />160 <br />120 <br />rn <br />80 <br />40 <br />Prediction Limit <br />Interwell Non -parametric <br />AMW-12 <br />V AMW-13 <br />♦ AMW-14 <br />♦ AMW-6 <br />■ AMW-7 <br />0 1 1W '^ I 1 1 1 1 <br />8/19/03 11/17/04 2/17/06 5/19/07 8/18/08 11/18/09 Limit = 25 <br />Non -parametric test used in lieu of parametric prediction limit because censored data exceeded 50%. Limit is highest <br />of 26 background values. 92.31 % NDs Report alpha = 0.01305. Individual comparison alpha = 0.002623 (1 of 2). <br />Comparing 5 points to limit. After outlier removal distribution was non -normal, so outlier results were invalidated. <br />Constituent: Volatile Petroleum Hydrocarbons Analysis Run 12/30/2009 3:19 PM <br />Facility: Austin Road LF Client: Austin Road LF Data File: AUSTININ <br />ERST & &IATES, INC." <br />