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v.9.1.15 Na.UG v.9.1.15 Na.UG Hollow symbols indicate censored values. Within Limit Tolerance Limit Within Limit Tolerance Limit Interwel Nonparametric Interwel Parametric 40 AMW-12 200 ® AMW-12 32 ® AMW-13 160 ® AMW-13 24 120 E ♦ AMW-14 ' ♦ AMW-14 16 80 ♦ AMW-6 ♦ AMW-6 8 40 AMW-7 ■ AMW-7 0 0 8/20/91 5/23/95 2/23/99 11/26/02 8/29/06 6/1/10 Limit=12 8/20/91 5/23/95 2/23/99 11/26/02 8/29/06 6/1/10 Limit=77,77 Non-parametric test used in lieu of parametric tolerance limit because censored data exceeded 75%. Most recent 95%coverage. Most recent observation is compared with limit. Background Data Summary(based on square root observation is compared with limit. Limit is highest of 63 background values. 96.83%NDs. 92.77%coverage at transformation):Mean=6.978,Std.Dev=0.9445,n=87. Normality test:Shapiro Francia @alpha=0.01,calculated= alpha=0.01; 95.51%coverage at alpha=0.05; 99.02%coverage at alpha=0.5. Report alpha=0.0395. After outlier 0.9805,critical=0.961. Report alpha=0.05. Rosner's Outlier Test was performed on the background data. A removal distribution was non-normal,so outlier results were invalidated. background outlier was removed:454(10/22/1990). Constituent:Carbonate as CaCO3 Analysis Run 6/29/2010 2:49 PM Constituent:Chloride Analysis Run 6/29/2010 2:49 PM Facility:Austin Road LF Client:Austin Road LF Data File:AUSTININ Facility:Austin Road LF Client:Austin Road LF Data File:AUSTININ v.9.1.15 Ne.1x3 v.9.1.15 Na.UG Hollow symbols indicate censored values. Within Limit Tolerance Limit Within Limit Tolerance Limit Interwel Non-parametric Interwel Parametric 0.02 ♦ AMW-12 70 — --- A AMW-12 0.016 56 ® AMW-13 ® AMW-13 0.012 42 ♦ AMW-14 E ♦ AMW-14 0.006 28 ♦ AMW-6 ♦ AMW-6 0.004 14 ■ AMW-7 ■ AMW-7 0 0 5/24/95 5/25198 5/26/01 5/28104 5/30/07 611/10 Limit=0.005 8/19/03 12/26/04 5/6/06 9/13/07 1/21/09 6/1/10 Limit=63.07 Non-parametric test used in lieu of parametric tolerance limit because the data required both a power transformation 95%coverage. Most recent observation is compared with Amit. Background Data Summary(based on x^4 and Cohen's adjustment Most recent observation is compared with limit Limit is highest of 30 background values. transformation):Mean=6875231,Std.Dev=3976872,n=28. Normality test:Shapiro Wilk @alpha=0.01,calculated= 20%NDs. 85.74%coverage at alpha=0.01; 90.43%coverage at alpha=0.05; 97.85%coverage at alpha=0.5. Report 0.942,critical=0.896. Report alpha=0.05. After outlier removal distribution was non-normal,so outlier results alpha=0.2146. The EPA 1989 Outlier Test was performed on the background data. No background outliers were were invalidated. found. Constituent:Chromium[Hexavalent]Di., Analysis Run W9120102:49 PM Constituent:Magnesium Dissolve Anal is Run 6!29/2010 2:49 PM Facility:Austin Road LF Client:Austin Road LF Data File:AUSTININ Facility:Austin Road LF Client: In F Data File:AUSTI HERST & ASSO ATES INC!