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Title: Case study of an approved corrective action integrating active remediation with intrinsic remediation

Abstract

Parsons Engineering Science, Inc., performed UST removals and/or site assessments at UST system locations at a former US Air Force Base (AFB) in Denver, Colorado. Four UST systems, incorporating 17 USTs, were located within the petroleum, oils, and lubricants bulk storage yard (POL Yard) of the former AFB. During the tank removals and subsequent site investigations, petroleum hydrocarbon contamination was found in soils at each site. Significant releases from two of the UST systems resulted in a dissolved benzene, toluene, ethylbenzene, and xylenes (BTEX) plume in the groundwater, and smear-zone contamination of soils beneath the majority of the POL Yard. Because of the close proximity of the UST systems, and the presence of the groundwater plume beneath the POL Yard, a corrective action plan (CAP) was prepared that encompassed all four UST systems. An innovative, risk-based CAP integrated active remediation of petroleum-contaminated soils with intrinsic remediation of groundwater. A natural attenuation evaluation for the dissolved BTEX was performed to demonstrate that natural attenuation processes are providing adequate remediation of groundwater and to predict the fate of the groundwater plume. BTEX concentrations versus distance were regressed to obtain attenuation rates, which were then used to calculate BTEX degradation rates using amore » one-dimensional, steady-state analytical solution. Additionally, electron acceptor concentrations in groundwater were compared to BTEX concentrations to provide evidence that natural attenuation of BTEX compounds was occurring. The natural attenuation evaluation was used in the CAP to support the intrinsic remediation with long-term monitoring alternative for groundwater, thereby avoiding the installation of an expensive groundwater remediation system.« less

Authors:
; ;  [1]
  1. Parsons Engineering Science, Inc., Denver, CO (United States)
Publication Date:
OSTI Identifier:
398109
Report Number(s):
CONF-960393-
TRN: 96:029971
Resource Type:
Conference
Resource Relation:
Conference: 6. annual West Coast conference on contaminated soils and groundwater, Newport Beach, CA (United States), 11-14 Mar 1996; Other Information: PBD: 1996; Related Information: Is Part Of The sixth West Coast conference on contaminated soils and groundwater: Analysis, fate, environmental and public health effects, and remediation. Part 2; PB: 226 p.
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; COLORADO; REMEDIAL ACTION; MILITARY FACILITIES; GROUND WATER; SOILS; BENZENE; REMOVAL; ALKYLATED AROMATICS; TOLUENE; XYLENES; SITE CHARACTERIZATION; ENVIRONMENTAL TRANSPORT

Citation Formats

Teets, D B, Guest, P R, and Blicker, B R. Case study of an approved corrective action integrating active remediation with intrinsic remediation. United States: N. p., 1996. Web.
Teets, D B, Guest, P R, & Blicker, B R. Case study of an approved corrective action integrating active remediation with intrinsic remediation. United States.
Teets, D B, Guest, P R, and Blicker, B R. 1996. "Case study of an approved corrective action integrating active remediation with intrinsic remediation". United States.
@article{osti_398109,
title = {Case study of an approved corrective action integrating active remediation with intrinsic remediation},
author = {Teets, D B and Guest, P R and Blicker, B R},
abstractNote = {Parsons Engineering Science, Inc., performed UST removals and/or site assessments at UST system locations at a former US Air Force Base (AFB) in Denver, Colorado. Four UST systems, incorporating 17 USTs, were located within the petroleum, oils, and lubricants bulk storage yard (POL Yard) of the former AFB. During the tank removals and subsequent site investigations, petroleum hydrocarbon contamination was found in soils at each site. Significant releases from two of the UST systems resulted in a dissolved benzene, toluene, ethylbenzene, and xylenes (BTEX) plume in the groundwater, and smear-zone contamination of soils beneath the majority of the POL Yard. Because of the close proximity of the UST systems, and the presence of the groundwater plume beneath the POL Yard, a corrective action plan (CAP) was prepared that encompassed all four UST systems. An innovative, risk-based CAP integrated active remediation of petroleum-contaminated soils with intrinsic remediation of groundwater. A natural attenuation evaluation for the dissolved BTEX was performed to demonstrate that natural attenuation processes are providing adequate remediation of groundwater and to predict the fate of the groundwater plume. BTEX concentrations versus distance were regressed to obtain attenuation rates, which were then used to calculate BTEX degradation rates using a one-dimensional, steady-state analytical solution. Additionally, electron acceptor concentrations in groundwater were compared to BTEX concentrations to provide evidence that natural attenuation of BTEX compounds was occurring. The natural attenuation evaluation was used in the CAP to support the intrinsic remediation with long-term monitoring alternative for groundwater, thereby avoiding the installation of an expensive groundwater remediation system.},
doi = {},
url = {https://www.osti.gov/biblio/398109}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Dec 01 00:00:00 EST 1996},
month = {Sun Dec 01 00:00:00 EST 1996}
}

Conference:
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