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aerobic Air Force Base anaerobic analysis aquifer assessment Attenuation of Chlorinated bacteria biodegradation biodegradation rate biological BIOSCREEN biotransformation BTEX characterization chemical chlorinated aliphatic hydrocarbons chlorinated ethenes Chlorinated Organics chlorinated solvents cis-DCE cleanup co-metabolic concentrations contaminant plume daughter products degradation dehalogenation determine DNAPL downgradient electron acceptors electron donor Environ estimated evaluated feet field Figure first-order flowmeter fuel hydrocarbons geochemical ground water ground-water flow hydraulic conductivity hydrogen indicate intrinsic bioremediation intrinsic remediation iron(III J.T. Wilson Laboratory long-term monitoring mass metabolic methane methanogenesis methanogenic mg/L microbial Microbiol microcosm studies microorganisms natural attenuation nitrate occurring oxidation parameters pathways Picatinny Arsenal potential present processes protocol pump-and-treat rate constants receptors redox reductive dechlorination regulatory sampling soil solvent plumes source area source removal substrate subsurface sulfate tetrachloroethene tion transect transformation transport trichloroethene U.S. Air Force U.S. Environmental Protection U.S. EPA U.S. Geological Survey vinyl chloride volatilization Wiedemeier zone µg/L
Page 141 - Bopp, MJ Brennan, ML Haberl, and C. Johnson. 1986. Rapid assay for screening and characterizing microorganisms for the ability to degrade polychlorinated biphenyls. Appl. Environ. Microbiol. 51:761-768.
Page 37 - natural attenuation as: The biodegradation, dispersion, dilution, sorption, volatilization, and/or chemical and biochemical stabilization of contaminants to effectively reduce contaminant toxicity, mobility, or volume to levels that are protective of human health and the ecosystem. In
Page 141 - van der Meer, JR, W. Roelofsen, G. Schraa, and AJB Zehnder. 1987. Degradation of low concentrations of dichlorobenzenes and 1,2,4-trichlorobenzene by Pseudomonas sp. strain P51 in nonsterile soil columns. FEMS Microbiol.
Page 112 - return usable ground waters to their beneficial uses within a timeframe that is reasonable given the particular circumstances of the site.
Page 56 - The chemical behavior of chloride is neutral. Chloride ions generally do not enter into oxidation-reduction reactions, form no important solute complexes with other ions unless the chloride concentration is extremely high, do not form salts of low solubility, are not significantly adsorbed on mineral surfaces, and play few vital biochemical roles
Page iii - (Resource Conservation and Recovery Act [RCRA] and Comprehensive Environmental Response, Compensation, and Liability Act
Page 58 - The long-term monitoring plan consists of locating ground-water monitoring wells and developing a ground-water sampling and analysis strategy. This plan is used to monitor plume migration over time and to verify that natural attenuation is occurring at rates sufficient to protect potential downgradient receptors.
Page 187 - Conservation and Recovery Act [RCRA] and Comprehensive Environmental Response, Compensation, and Liability Act
Page 91 - and M. Martin. 1991. Overview of research activities on the movement and fate of chlorinated solvents in ground water at Picatinny Arsenal, New Jersey. In: Morganwalp, DW, and DA Aronson, eds. US Geological Survey Toxic Substances Hydrology