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9 • <br /> Peter MacNicholl 11 April 2007 <br /> Dieldrin in Groundwater at Tracy Depot Page 6 <br /> TABLE 2: General UCL Statistics for Data Sets with Non-Detects <br /> User Selected Options <br /> From File worksheet.wst <br /> Full Precision OFF <br /> Confidence Coefficient 95% <br /> Number of Bootstrap Oper 2000 <br /> Dieldrin <br /> General Statistics <br /> Number of Valid Samples 141 Number of Detected Data 54 <br /> Number of Unique Samples 39 Number of Non-Detect Data 87 <br /> Percent Non-Detects 61.70% <br /> Raw Statistics Log-transformed Statistics <br /> Minimum Detected 0.02 Minimum Detected -3.912 <br /> Maximum Detected 0.19 Maximum Detected -1.661 <br /> Mean of Detected 0.0601 Mean of Detected -2.99 <br /> SD of Detected 0.0415 SD of Detected 0.571 <br /> Minimum Non-Detect 0.019 Minimum Non-Detect -3.963 <br /> Maximum Non-Detect 0.024 Maximum Non-Detect -3.73 <br /> Note: Data have multiple DLs-Use of KM Method is recommend Number treated as Non-Detect 89 <br /> For all methods(except KM, DIJ2,Robust ROS,and Gamma RO Number treated as Detected 52 <br /> those Observations<Largest ND are treated as NDs Single DL Non-Detect Percentage 63.12% <br /> UCL Statistics <br /> Normal Distribution Test with Detected Values Only Lognormal Distribution Test with Detected Values Only <br /> Lilliefors Test Statistic 0.202 Lilliefors Test Statistic 0.107 <br /> 5%Lilliefors Critical Value 0.121 5%Lilliefors Critical Value 0.121 <br /> Data not Normal at 5%Significance Level Data appear Lognormal at 5%Significance Level <br /> Assuming Normal Distribution Assuming Lognormal Distribution <br /> DL/2 Substitution Method DL/2 Substitution Method <br /> Mean 0.0292 Mean -3.989 <br /> SO 0.0354 SD 0.866 <br /> 95%DI-12(t)UCL 0.0341 95% H-Stat(DIJ2)UCL 0.0264 <br /> Maximum Likelihood Esdmate(MLE)Method Robust ROS Method <br /> Mean -3.30E-04 Mean in Log Scale 4.047 <br /> SD 0.0634 SD in Log Scale 1.034 <br /> 95%MILE(t)UCL 0.00852 Mean in Original Scale 0.0297 <br /> 95%MILE(Tiku)UCL 0.013 SD in Original Scale 0.0354 <br /> 95%Percentile Bootstrap UCL 0.0348 <br /> 95%BCA Bootstrap UCL 0.0355 <br /> Gamma Distribution Test with Detected Values Only Nonparametic Test with Detected Values Only <br /> k star(bias corrected) 2.814 Data appear Lognormal at 5%Significance Level <br /> Theta Star 0.0214 <br /> nu star 303.9 <br /> A-D Test Statistic 1.919 Nonparametric Statistics <br /> 5%A-D Critical Value 0.758 Kaplan-Meier(KM)Method <br /> K-S Test Statistic 0.758 Mean 0.0354 <br /> 5%K-S Critical Value 0.122 SD 0.0321 <br /> Data not Gamma Distributed at 5%Significance Level SE of Mean 0.00272 <br /> 95%KM(t)UCL 0.0399 <br /> Assuming Gamma Distribution 95%KM(z) UCL 0.0398 <br /> Gamma ROS Statistics using Extrapolated Data 95% KM Qackknife)UCL 0.0398 <br /> Minimum 0 95%KM(bootstrap t)UCL 0.0405 <br /> Maximum 0.19 95%KM(BCA)UCL 0.0416 <br /> Mean 0.0238 95%KM(percentile)UCL 0.0409 <br /> Median 0 95%KM(Chebyshev)UCL 0.0472 <br /> SD 0.0385 97.5%KM(Chebyshev)UCL 0.0524 <br /> k star. 0.0994 99%KM(Chebyshev)UCL 0.0625 <br /> Theta star 0.239 <br /> Nu star 28.03 Potential UCLs to Use <br /> AppChi2 16.95 95%KM(t)UCL 0.0399 <br /> 95%Gamma Approximate UCL 0.0393 95%KM(%Bootstrap)UCL 0.0409 <br /> 95%Adjusted Gamma UCL 0.0396 <br />