The 6th International Conference on Remediation - Environmental ...
The 6th International Conference on Remediation - Environmental ...
The 6th International Conference on Remediation - Environmental ...
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Kennedy Space CenterCenter Operati<strong>on</strong>s Directorate♦ 1994RCRA Corrective Acti<strong>on</strong> History‣ Chlorinated solvent c<strong>on</strong>taminati<strong>on</strong> discovered in groundwater♦ 1996 - 2007‣ RCRA Facility Investigati<strong>on</strong> & Corrective Measures Study♦ Investigati<strong>on</strong> Results• ∼330 acres of groundwater negatively impacted by historic releasesof chlorinated solvents (1 mile by ½ mile plume)• Source area groundwater c<strong>on</strong>taminati<strong>on</strong> is present to 118 ft belowland surface (bls)• Sand aquifer with inter-bedded silt, clay, and shell layers (8 Layers)• DNAPL (TCE) present between 18 ft & 80 ft bls– Shallow Z<strong>on</strong>e 300 mg/kg)– Deep Z<strong>on</strong>e >45 ft bls = 33,000 lbs TCE (sat. soil > 300 mg/kg)– Additi<strong>on</strong>al 12,000 lbs of TCE mass in “shell” of soil surrounding DNAPL(TCE sat. soil c<strong>on</strong>centrati<strong>on</strong>s 100 - 300 mg/kg)June 21, 2007 7
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