Immunological techniques as tools to characterize the subsurface microbial community at a trichloroethylene contaminated site [electronic resource]
Effective in situ bioremediation strategies require an understanding of the effects pollutants and remediation techniques have on subsurface microbial communities. Therefore, detailed characterization of a site's microbial communities is important. Subsurface sediment borings and water samples...
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Online Access |
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| Corporate Authors: | , |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Dept. of Defense ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
1992.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Immunological techniques as tools to characterize the subsurface microbial community at a trichloroethylene contaminated site |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Dept. of Defense ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 1992. | ||
| 300 | |a Pages: (24 p) : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
| 500 | |a 01/01/1992. | ||
| 500 | |a "wsrc-ms-92-459" | ||
| 500 | |a " conf-930482--2" | ||
| 500 | |a "DE93007443" | ||
| 500 | |a 2. international symposium in situ and on-site bioreclamation, San Diego, CA (United States), 5-8 Apr 1993. | ||
| 500 | |a Dougherty, J.M.; Hazen, T.C.; Fliermans, C.B.; Franck, M.M.; McKinzey, P.C. | ||
| 520 | 3 | |a Effective in situ bioremediation strategies require an understanding of the effects pollutants and remediation techniques have on subsurface microbial communities. Therefore, detailed characterization of a site's microbial communities is important. Subsurface sediment borings and water samples were collected from a trichloroethylene (TCE) contaminated site, before and after horizontal well in situ air stripping and bioventing, as well as during methane injection for stimulation of methane-utilizing microorganisms. Subsamples were processed for heterotrophic plate counts, acridine orange direct counts (AODC), community diversity, direct fluorescent antibodies (DFA) enumeration for several nitrogen-transforming bacteria, and Biolog [reg sign] evaluation of enzyme activity in collected water samples. Plate counts were higher in near-surface depths than in the vadose zone sediment samples. During the in situ air stripping and bioventing, counts increased at or near the saturated zone, remained elevated throughout the aquifer, but did not change significantly after the air stripping. Sporadic increases in plate counts at different depths as well as increased diversity appeared to be linked to differing lithologies. AODCs were orders of magnitude higher than plate counts and remained relatively constant with depth except for slight increases near the surface depths and the capillary fringe. Nitrogen-transforming bacteria, as measured by serospecific DFA, were greatly affected both by the in situ air stripping and the methane injection. Biolog[reg sign] activity appeared to increase with subsurface stimulation both by air and methane. The complexity of subsurface systems makes the use of selective monitoring tools imperative. | |
| 536 | |b AC09-89SR18035. | ||
| 650 | 7 | |a Immunoassay. |2 local. | |
| 650 | 7 | |a Methane. |2 local. | |
| 650 | 7 | |a Bacteria. |2 local. | |
| 650 | 7 | |a Microorganisms. |2 local. | |
| 650 | 7 | |a Organic Compounds. |2 local. | |
| 650 | 7 | |a Chlorinated Aliphatic Hydrocarbons. |2 local. | |
| 650 | 7 | |a Bioassay. |2 local. | |
| 650 | 7 | |a Halogenated Aliphatic Hydrocarbons. |2 local. | |
| 650 | 7 | |a Nitrogen Fixation. |2 local. | |
| 650 | 7 | |a Organic Halogen Compounds. |2 local. | |
| 650 | 7 | |a Ground Water. |2 local. | |
| 650 | 7 | |a Decomposition. |2 local. | |
| 650 | 7 | |a Sediments. |2 local. | |
| 650 | 7 | |a Alkanes. |2 local. | |
| 650 | 7 | |a Water. |2 local. | |
| 650 | 7 | |a Plumes. |2 local. | |
| 650 | 7 | |a Oxygen Compounds. |2 local. | |
| 650 | 7 | |a Remedial Action. |2 local. | |
| 650 | 7 | |a Chemical Reactions. |2 local. | |
| 650 | 7 | |a Organic Chlorine Compounds. |2 local. | |
| 650 | 7 | |a Enzyme Immunoassay. |2 local. | |
| 650 | 7 | |a Hydrocarbons. |2 local. | |
| 650 | 7 | |a Biodegradation. |2 local. | |
| 650 | 7 | |a Hydrogen Compounds. |2 local. | |
| 650 | 7 | |a Environmental Sciences. |2 edbsc. | |
| 710 | 2 | |a Westinghouse Savannah River Company. |4 res. | |
| 710 | 1 | |a United States. |b Department of Defense. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Savannah River Site. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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