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Home My WebLink AboutNC0003433_Table H-2_20150902F- 2015 TABLE H-2. SUMMARY OF INTERWELL PREDICTION LIMIT RESULTS Cape Fear Ash Ponds Well Number Detected Parameter Comparison Type March ResultIt (mg/L) prediction Limit Logtransformed Result Logtransformed Prediction Limit Failure Y/N Confidence Level (%) Treatment of Nondetects CMW-1 Aluminum Parametric 0.176 2.4 N 99 Replace with 1/2 PQL CMW-1 Barium Parametric 0.156 0.218 N 99 CMW-1 Boron Parametric 1.38 0.025 Y 99 CMW-1 Chloride Parametric 29.0. 21.7 Y 99 CMW-1 Iron Parametric 28.7 2.37 Y 99 CMW-1 Manganese Para metric- Lo transformed 1.39 0.261 0.0072 0.0086 N 99 CMW-1 Nickel Nonparametric 0.005 0.005 (ND) N 77.8 None Required CMW-1 Sulfate Para metric- Lo transformed 2.1 86.5 0.0076 0.0123 N 99 Replace with 1/2 PQL CMW-1 Total Dissolved Solids Parametric 200 266 N 99 CTMW-1 Aluminum Para metric- Lo transformed 0.009 2.4 0.0022 0.0091 N 99 Replace with 1/2 PQL CTMW-1 Barium Parametric 0.185 0.218 N 99 CTMW-1 Boron Nonparametric 0.379 0.05 ND Y 77.8 CTMW-1 Chloride Parametric 33.0 21.7 Y 99 CTMW-1 Iron Parametric 0.874 2.37 N 99 CTMW-1 Manganese Nonparametric 1.43 0.172 Y 77.8 None Required CTMW-1 Sulfate Nonparametric 100 92.5 Y 77.8 None Required CTMW-1 Total Dissolved Solids Parametric 460 266 Y 99 CMW-2 Aluminum Parametric 0.038 2.4 N 99 Replace with 1/2 PQL CMW-2 Barium Parametric 0.020 0.218 N 99 CMW-2 Boron Parametric 0.071 0.025 Y 99 CMW-2 Chloride Para metric-Logtransformed 20.0 21.7 0.0099 0.010 N 99 CMW-2 Iron Parametric 0.792 2.37 N 99 CMW-2 Man anese Parametric 6.38 0.261 Y 99 CMW-2 Nickel Parametric 0.071 0.0025 Y 99 CMW-2 Sulfate Parametric 430 86.5 Y 99 CMW-2 Zinc Parametric 0.017 0.013 Y 99 Replace with 1/2 PQL CMW-2 Total Dissolved Solids Parametric 770 266 Y 99 CTMW-2 Aluminum Para metric- Lo transformed 0.039 2.4 0.0037 0.0091 N 99 Replace with 1/2 PQL CTMW-2 Arsenic Parametric 0.00765 0.00867 N 99 Replace with 1/2 PQL CTMW-2 Barium Nonparametric 0.245 0.128 Y 77.8 None Required CTMW-2 Chloride Parametric 3.6 21.7 N 99 Replace with 1/2 PQL CTMW-2 Copper Poisson 0.006 0.007 N 99 Replace with 1/2 PQL CTMW-2 Iron Para metric- Logtransformed 0.059 2.37 0.00408 0.00798 N 99 CTMW-2 Manganese Para metric- Lo transformed 0.006 0.261 0.0018 0.0086 N 99 Replace with 1/2 PQL CTMW-2 Nitrate Para metric- Logtransformed 0.09 11.4 0.0045 0.0157 N 99 Replace with 1/2 PQL CTMW-2 Sulfate Parametric 8.0 86.5 N 99 Replace with 1/2 PQL CTMW-2 Total Dissolved Solids Parametric 180 266 N 99 CMW-3 Aluminum Para metric- Lo transformed 0.032 2.4 0.0035 0.0091 N 99 Replace with 1/2 PQL CMW-3 Barium Parametric 0.053 0.218 N 99 CMW-3 Boron Parametric 0.969 0.025 Y 99 CMW-3 Chloride Parametric 34.0 21.7 Y 99 CMW-3 Iron Para metric- Lo transformed 0.129 2.37 0.00486 0.00798 N 99 Replace with 1/2 PQL CMW-3 Manganese Parametric 3.2 0.261 Y 99 CMW-3 Selenium Parametric 0.0089 0.0112 N 99 P: \ Duke Energy Progress.1026 \ 103. Cape Fear Ash Basin GW Assessment \ 1.11 CSA Reporting \ Appendices \ H - Statistial Analysis \ Table H-2.xls 1 of 3 F- 2015 TABLE H-2. SUMMARY OF INTERWELL PREDICTION LIMIT RESULTS Cape Fear Ash Ponds Well Number Detected Parameter Comparison Type March It Result (mg/L) Prediction Limit Logtransformed Result Logtransformed Prediction Limit Failure Y/N Confidence Level (%) Treatment of Nondetects CMW-3 Sulfate Parametric 170 86.5 Y 99 CMW-3 Total Dissolved Solids Parametric 450 266 Y 99 CMW-5 Aluminum Parametric 2.97 2.4 Y 99 Replace with 1/2 PQL CMW-5 Barium Parametric 0.072 0.218 N 99 CMW-5 Boron Parametric 0.359 0.025 Y 99 CMW-5 Chloride Parametric 20.0 21.7 N 99 CMW-5 Copper Poisson 0.005 0.007 N 99 Replace with 1/2 PQL CMW-5 Iron Parametric 2.65 2.37 Y 99 CMW-5 Lead Nonparametric 0.0012 0.005 (ND) N 77.8 None Required CMW-5 Manganese Parametric 0.034 0.261 N 99 CMW-5 Nitrate Parametric 0.030 11.4 N 99 Replace with 1/2 PQL CMW-5 Sulfate Parametric 43.0 86.5 N 99 CMW-5 Zinc Nonparametric 0.007 0.012 N 77.8 None Required CMW-5 Total Dissolved Solids Nonparametric 240 229 Y 77.8 None Required CMW-6 Aluminum Nonparametric 4.38 2.96 Y 73.5 None Required CMW-6 Barium Parametric 0.021 0.218 N 99 CMW-6 Boron Parametric 0.413 0.025 Y 99 CMW-6 Chloride Parametric 23.0 21.7 y 99 CMW-6 Copper Nonparametric 0.008 0.007 Y 77.8 None Required CMW-6 Iron Parametric-Lo transformed 5.05 2.37 0.00853 0.00798 Y 99 Replace with 1/2 PQL CMW-6 Manganese Para metric- Logtransformed 0.908 0.261 0.0068 0.0086 N 99 CMW-6 Nitrate Nonparametric 0.050 6.3 N 77.8 None Required CMW-6 Sulfate Nonparametric 110 92.5 Y 77.8 CMW-6 Zinc Nonparametric 0.008 0.012 N 77.8 None Required CMW-6 Total Dissolved Solids Parametric 330 266 Y 99 Replace with 1/2 PQL CMW-7 Aluminum Nonparametric 1.11 2.96 N 73.5 None Required CMW-7 Barium Parametric 0.059 0.218 N 99 CMW-7 Chloride Nonparametric 3.2 17.2 N 77.8 None Re uired CMW-7 Iron Parametric 2.46 2.37 Y 99 CMW-7 Manganese Parametric 0.770 0.261 Y 99 CMW-7 Sulfate Parametric 10.0 86.5 N 99 CMW-7 Zinc Nonparametric 0.006 0.012 N 77.8 None Required CMW-7 Total Dissolved Solids Parametric 67 266 N 99 CTMW-7 Aluminum Para metric- Lo transformed 0.027 2.4 0.0033 0.0091 N 99 Replace with 1/2 PQL CTMW-7 Arsenic Nonparametric 0.00115 0.082 N 77.8 None Required CTMW-7 Barium Parametric 0.036 0.218 N 99 CTMW-7 Boron Nonparametric 0.053 0.050 ND Y 77.8 None Required CTMW-7 Chloride Parametric 3.2 21.7 N 99 CTMW-7 Iron Para metric- Logtransformed 0.050 2.37 0.00391 0.00798 N 99 CTMW-7 Manganese Para metric- Lo transformed 0.138 0.261 0.0049 0.0086 N 99 CfMW-7 Sulfate Nonparametric 85 92.5 N 77.8 None Required CTMW-7 Total Dissolved Solids Parametric 350 266 Y 99 CMW-8 Aluminum Parametric- Logtransformed 1 0.126 2.4 0.0048 0.0091 N 99 Replace with 1/2 PQL CMW-8 Barium IParametric 1 0.221 1 0.218 1 Y 99 P: \ Duke Energy Progress.1026 \ 103. Cape Fear Ash Basin GW Assessment \ 1.11 CSA Reporting \ Appendices \ H - Statistial Analysis \ Table H-2.xls 2 of 3 Fear August 2015 TABLE H-2. SUMMARY OF INTERWELL PREDICTION LIMIT RESULTS Cape Fear Ash Ponds rWember Detected Parameter Comparison Type March 2015 Result (mg/L) Prediction Limit Logtransformed Result Logtransformed Prediction Limit Failure Y/N Confidence Level ("/o) Treatment of Nondetects CMW-8 Boron Parametric 1.25 0.025 Y 99 CMW-8 Chloride Parametric 14.0 21.7 N 99 CMW-8 Iron Parametric 49.2 2.37 Y 99 CMW-8 Manganese Parametric 13.4 0.261 Y 99 CMW-8 Nickel Nonparametric 0.006 0.005 ND Y 77.8 None Required CMW-8 Sulfate Nonparametric 130 92.5 Y 77.8 None Required CMW-8 Total Dissolved Solids Parametric 430 266 Y 99 CTMyy-8 Aluminum Parametric-Logtransformed 0.021 2.4 0.0030 0.0091 N 99 Replace with 1/2 PQL CTMW-8 Arsenic Parametric 0.00669 0.00867 N 99 Replace with 1/2 PQL CTMW-8 Barium Parametric 0.185 0.218 N 99 CTMW-8 Boron Parametric 0.382 0.025 Y 99 CTMyy-8 Chloride Parametric 16.0 21.7 N 99 CTMW-8 Copper Poisson 0.005 0.007 N 99 Replace with 1/2 PQL CTMW-8 Iron Parametric 2.07 2.37 N 99 CTMW-8 Manganese Parametric 0.980 0.261 Y 99 CTMW-8 Sulfate Nonparametric 110 92.5 V 77.8 None Required CTMW-8 Total Dissolved Solids Non arametric 480 229 Y 77.8 None Re uired NOTES: Prepared by: JHGIMCM Checked by: KL5 Only constituents detected above the PQL in compliance wells during the March 2015 momtoirng event were analyzed. Prediction limit comparison type is based on the percentage of nondetects and distribution of the dataset (Table 1) PQL Practical quantitation limit * Data set does not contain any nondetects None Required Percentage of nondetects greater than 50 percent and less than 90 percent or dataset is non -normally distributed Replace with 1/2 PQL Percentage of nondetects less than or equal to 50 percent and the data distribution is normal or lognormal or percentage of nondetects is greater than or equal to 90 percent (ND) Prediction limit for nonparametric comparison was the PQL for a nondetect Result exceeds the prediction limit P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\1.11 CSA Reporting\ Appendices\ H - Statistial Analysis\Table H-2.xls 3 of 3