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Ferrographic tracking of bacterial transport in the field at the Narrow Channel focus area, Oyster, VA

Journal Article · · Environmental Science and Technology
DOI:https://doi.org/10.1021/es001170e· OSTI ID:15003078
 [1];  [1];  [2];  [3];  [4];  [4];  [5];  [6];  [7];  [8];  [8]
  1. Utah, Univ Of
  2. Envirogen, Inc.
  3. BATTELLE (PACIFIC NW LAB)
  4. Princeton University
  5. Envirogen Inc.
  6. Lawrence Berkeley National Laboratory
  7. Golder Associates
  8. Montana, Univ Of
+ Show Author Affiliations
The first results from an innovative bacterial tracking technique, ferrographic capture, applied to bacterial transport in groundwater are reported in this paper. Ferrographic capture was used to analyze samples during an October 1999 bacterial injection experiment at the Narrow Channel Focus Area of the South Oyster Site, VA. Data obtained using this method showed that the timing of bacterial breakthrough was controlled by physical (hydraulic conductivity) heterogeneity in the vertical dimension, as opposed to variation in sediment surface or aqueous chemical properties. Ferrographic tracking yielded results that compared well with results from other tracking techniques over a concentration range of eight orders of magnitude, and provided a low detection limit relative to most other bacterial tracking techniques. The low detection limit of this method allowed observation of transport of an adhesion-deficient bacterium over distances greater than 20 m in the fine sand aquifer under lying this site.
Research Organization:
Pacific Northwest National Lab., Richland, WA (US)
Sponsoring Organization:
US Department of Energy (US)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
15003078
Report Number(s):
PNNL-SA-35083; KP1301010
Journal Information:
Environmental Science and Technology, Journal Name: Environmental Science and Technology Journal Issue: 1 Vol. 35
Country of Publication:
United States
Language:
English

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Related Subjects

54 ENVIRONMENTAL SCIENCES
AQUIFERS
CHEMICAL PROPERTIES
OYSTERS
SAND
SEDIMENTS
SENSITIVITY
TRANSPORT