Treatability Study in Support of Intrinsic Remediation for Pumphouse 75 (Site 57) at MacDill Air Force Base, Tampa, Florida
PARSONS ENGINEERING SCIENCE INC DENVER CO
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This report presents the results of an intrinsic remediation treatability study TS performed by Parsons Engineering Science, Inc. Parsons ES at Pumphouse 75, MacDill Air Force Base AFB, the Base, Tampa, Florida to evaluate the use of intrinsic remediation natural attenuation with long-term monitoring LTM as a remedial option for dissolved benzene, toluene, ethylbenzene, and xylenes BTEX contamination in the shallow saturated zone. Soil and groundwater contamination is documented for the site, with contamination being present in the aqueous i.e., dissolved and gaseous phases and as residual light nonaqueous-phase liquid LNAPL within the aquifer matrix. There is no evidence of mobile LNAPL free product at this site. This study focused on the impact of dissolved BTEX on the shallow groundwater system at and downgradient from the site. Site history and the results of soil, groundwater, and surface water investigations conducted previously also are summarized in this report.
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