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TABLE 5.4 <br /> Former Bagging Plant Investigation Soil Sampling Results <br /> Ten-year Evaluation and 2011 Annual Groundwater Mon todna ReportKoppel Stockton Terminal Stockton California <br /> Total Soluble Soluble Soluble <br /> Ammonia/ Ammonia-N Ammonium-14 Exchangeable <br /> Nitrate-N Ammonium' Calculated Calculated° Ammonium TKN TKN+ Nitrate-No <br /> Sample Depth pH le (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg)` (mg/kg) (mg/kg) <br /> Location (feetbgs) 2011 2011 2011 2011 2011 2011 2011 2011 <br /> 3K 0to2 5.38 125 11.9 1U 11.9 89.3 1,460 1,585 <br /> 3K 2 to 4 4.32 219 23.5 0.9981.1 23.5 124 999 1,218 <br /> 3K 4 t 6 3.84 470 69.4 3.85U 69.4 475 2,140 2,610 <br /> 4K 0 to 2 7.47 0.033J 0.163 0.051.1 0.16 3.94 883 883 <br /> 4K 2 to 4 5.49 97.2 0.172 0.053U 0.172 5.41 750 847 <br /> 4K 4 to 6 5.82 330 0.15 0.07U 0.15 6.09 1,720 2,050 <br /> 'Total soluble ammonia/ammonium-N includes both soluble ammonia-N and ammonium-N in soil and was prepared by equilibration of soil aliquot with ASTM Type I deionized <br /> water. <br /> °Soluble ammonia-N and soluble ammonium-N were calculated from the measured total soluble ammonia/ammonium-N using pKa and pH of sample. <br /> `Exchangeable ammonium analysis was prepared by extraction with 2N KCl.The extract was analyzed for ammonia and ammonium,which is the reported value,but <br /> ammonium would be the dominant form because of the pH of the extract. <br /> °TKN +Nitrate(N)calculation only uses primary sample results and assumes a concentration of zero for U-flagged results. Results rounded to whole numbers. <br /> 'Field duplicate. <br /> Notes: <br /> J = estimated detected result. <br /> U = not detected. <br /> ROD1112370001(CAHa)03.00C%) 5-14 <br /> Esmss�ianmimo <br />• • • • • • • • • <br /> 0 0 0 0 0 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • <br />