Treatability Study in Support of Remediation by Natural Attenuation for Groundwater at Site LF-06, Columbus Air Force Base, Columbus, Mississippi PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 587
Book Description
This report presents the results of a treatability study (TS) performed by Parsons Engineering Science, Inc. (parsons ES) at Site LF-06, Columbus Air Force Base, Mississippi, to evaluate remediation by natural attenuation (RNA) of dissolved fuel- hydrocarbons and chlorinated aliphatic hydrocarbons (CAHs) in groundwater. The TS focused on the fate and transport of dissolved CAHs, particularly trichloroethene (TCE), chlorobenzene (CB), and vinyl chloride (VC); however, petroleum hydrocarbons INCLUDING BENZENE, TOLUENE, ETHYLBENZENE, AND XYLENES (BTEX) also are present in site groundwater and were considered. The site history and the results of the soil and groundwater investigations conducted previously also are summarized in this report.
Author: Publisher: ISBN: Category : Languages : en Pages : 587
Book Description
This report presents the results of a treatability study (TS) performed by Parsons Engineering Science, Inc. (parsons ES) at Site LF-06, Columbus Air Force Base, Mississippi, to evaluate remediation by natural attenuation (RNA) of dissolved fuel- hydrocarbons and chlorinated aliphatic hydrocarbons (CAHs) in groundwater. The TS focused on the fate and transport of dissolved CAHs, particularly trichloroethene (TCE), chlorobenzene (CB), and vinyl chloride (VC); however, petroleum hydrocarbons INCLUDING BENZENE, TOLUENE, ETHYLBENZENE, AND XYLENES (BTEX) also are present in site groundwater and were considered. The site history and the results of the soil and groundwater investigations conducted previously also are summarized in this report.
Author: Publisher: ISBN: Category : Languages : en Pages : 483
Book Description
This report presents the results of a remediation by natural attenuation treatability study (RNA TS) performed by Parsons Engineering Science, Inc. (Parsons ES) at Fire Training Area 2 (FTA-2), Tinker Air Force Base (AFB), Oklahoma. The RNA TS was performed to evaluate the use of natural attenuation with long-term monitoring (LTM) as a remedial option for dissolved chlorinated aliphatic hydrocarbon (CAM) contamination in the upper saturated zone (USZ). The presence of groundwater contamination and soil contamination at the site was documented during remedial investigations performed by International Technology Corporation (IT) (1994) and Tetra Tech (TT) (1996). This TS focused on the impact of dissolved CAHs, primarily trichloroethane (TCE), on the USZ groundwater system at, and downgradient from, the site. Site history and the results of soil and groundwater investigations conducted previously also are summarized in this report.
Author: Publisher: ISBN: Category : Languages : en Pages : 374
Book Description
This report presents the results of a treatability study (TS) performed by Parsons Engineering Science, Inc. (Parsons ES) at the Area A Service Station (Area A), Tinker Air Force Base (AFB), Oklahoma, to evaluate remediation by natural attenuation (RNA) of dissolved chlorinated aliphatic hydrocarbons (CAHs) and fuel hydrocarbons in groundwater. The TS focused on the fate and transport of dissolved CAHs, particularly trichloroethene (TCE), which are present at high concentrations. Petroleum hydrocarbons INCLUDING BENZENE, TOLUENE, ETHYLBENZENE, AND XYLENES (BTEX) are also present in site groundwater and were considered in this TS. The site history and results of previous soil and groundwater investigations are also summarized in this report.
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
This report presents the results of a treatability study performed by Parsons Engineering Science, Inc. (Parsons ES) at the FT-1 Site, Fairchild Air Force Base, Washington to evaluate remediation by natural attenuation (RNA) of dissolved fuel-hydrocarbons and chlorinated solvents in the shallow groundwater. RNA will supplement the engineered remedial actions prescribed in the Record of Decision (ROD). Residual nonaqueous-phase liquid (NAPL) present within the vadose zone and phreatic soils serves as a continuing source for the dissolved groundwater contamination. There is no evidence of mobile NAPL at this site. This study focused on the fate and transport of dissolved benzene, toluene, ethylbenzene, and xylene (BTEX) in the shallow groundwater system at the site. Dissolved chlorinated aliphatic hydrocarbons (CAHs) also are present in the shallow groundwater; therefore, the potential for RNA of these compounds was investigated as well. Site history and the results of soil and groundwater investigations conducted previously are also summarized in this report. Comparison of BTEX, CAH, electron acceptor, and biodegradation byproduct isopleth maps for Site FT-1 provides strong.
Author: Publisher: ISBN: Category : Languages : en Pages : 396
Book Description
This report presents the results of a treatability study (TS) conducted to evaluate the use of natural attenuation for remediation of chlorinated aliphatic hydrocarbon (CAM) - contaminated groundwater at Site LF-03, F.E. Warren AFB, Wyoming. The numerical models MODFLOW and MT3D were used in conjunction with site-specific geologic, hydrologic, and laboratory analytical data to simulate the migration and biodegradation of trichloroethene (TCE) dissolved in groundwater. It is likely that contaminants were first introduced into groundwater at this site shortly after the opening of LF-03 around 1960. Solvents, fuels, and other liquid wastes may have been spilled or dumped, or have leaked from containers in the landfill. Contaminants dissolved in leachate are assumed to have entered groundwater over relatively large areas (i.e., the landfill), through point sources due to spills or dumping, or through contact between groundwater and residual non-aqueous phase liquid (NAPL) at or below the water table. Contaminants observed in groundwater at LF-03 at concentrations greater than US Environmental Protection Agency (USEPA) maximum contaminant levels (MCLs) include TCE and cis-1,2-dichloroethene (cis-1,2-DCE). The dissolved CAM plume - appears to have migrated approximately 1,500 feet northeast from the source area at LF-03. Comparison of TCE plumes delineated in 1993 and 1999 indicate that the TCE plume is stable, although TCE concentrations have increased at several locations within the plume.
Author: Publisher: ISBN: Category : Languages : en Pages : 91
Book Description
This work plan, prepared by Parsons Engineering Science, Inc. (Parsons ES) formerly Science, Inc. (ES), presents the scope of work required for the collection of data necessary to conduct a treatability study (TS) for remediation of groundwater contaminated with petroleum hydrocarbons at Installation Restoration Program (IRP) Site SS-16 (a former military gasoline service station site), Langley Air Force Base (AFB) in Hampton, Virginia. Hydrogeologic and groundwater chemical data necessary to evaluate multiple remedial options will be collected under this program; however, this work plan is primarily oriented toward the collection of Hydrogeologic data to be used in support of intrinsic remediation (natural attenuation) for restoration of fuel-hydrocarbon- contaminated groundwater. Other remedial options will be considered in conjunction with intrinsic remediation during the TS, including free product removal; groundwater extraction and treatment (i.e., pump and treat); biosparging; bioslurping; and long-term monitoring.
Author: Publisher: ISBN: Category : Languages : en Pages : 705
Book Description
This report presents the results of a treatability study performed by Parsons Engineering Science. Inc. (Parsons ES) at UST Sites 10-494, 10-495, and 10-496 (UST Site) Beale Air Force Base. California to evaluate the use of remediation by natural attlenuation (RNA) with long-term monitoring (LTM) as a remedial option for dissolved benzene. toluene. ethylbenzene, and xylene (BTEX) and total petroleum hydrocarbons as gasoline (TPH-g) contamination in the shallow groundwater. This study focused on the impact of dissolved BTEX and TPH-g compounds on the shallow groundwater system at the site. Site history and the results of soil and groundwater investigations conducted previously are also summarized in this report.
Author: Publisher: ISBN: Category : Languages : en Pages : 154
Book Description
This work plan, prepared by Parsons Engineering Science, Inc. (Parsons ES) formerly Engineering-Science, Inc. (ES), presents the scope of work required for the collection of data necessary to conduct a treatability study (TS) for remediation of groundwater contaminated with petroleum hydrocarbons at Pumphouse 5 (Building 771), Griffiss Air Force Base (AFB) in Rome, New York. Hydrogeologic and groundwater chemical data necessary to evaluate multiple remedial options will be collected under this program; however, this work plan is primarily oriented toward the collection of hydrogeologic data to be used in support of intrinsic remediation (natural attenuation) for restoration of fuel-hydrocarbon-contaminated groundwater. Other remedial options will be considered in conjunction with intrinsic remediation during the TS, including free product removal; groundwater extraction and treatment (i.e., pump and treat); biosparging; bioslurping; and natural contaminant attenuation (intrinsic remediation) with long-term monitoring.
Author: Publisher: ISBN: Category : Languages : en Pages : 177
Book Description
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 are summarized in this report.
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