Accession Number : ADA286946


Title :   Treatability Study in Support of Intrinsic Remediation for Site OT 24 at MacDill Air Force Base, Florida. Volume 2


Descriptive Note : Final rept.


Corporate Author : PARSONS ENGINEERING SCIENCE INC DENVER CO


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a286946.pdf


Report Date : Jan 1997


Pagination or Media Count : 958


Abstract : This report presents the results of an intrinsic remediation treatability study (TS) performed by Parsons Engineering Science, Inc. (Parsons ES) at Site OT 24, 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. The presence of mobile LNAPL (free product) in the immediate vicinity of the contamination source area is also indicated at this site. This study focused on the impact of dissolved BTEX on the shallow groundwater system at and downgradient from the site. The impact of dissolved chlorinated aliphatic hydrocarbons (CAHs) such as vinyl chloride on the shallow groundwater system is also discussed. Site history and the results of soil, groundwater, and sediment investigations conducted previously also are summarized in this report


Descriptors :   *CHEMICAL CONTAMINATION , *MONITORING , *SHALLOW WATER , *WATER TREATMENT , *GROUND WATER , *WATER POLLUTION , *HYDROCARBONS , *SOLVENTS , AIR FORCE FACILITIES , BIODEGRADATION , DISSOLVING


Subject Categories : Physical Chemistry
      Water Pollution and Control


Distribution Statement : APPROVED FOR PUBLIC RELEASE