API Publ 4668
Delineation and Characterization of the Borden MTBE Plume: An Evaluation of Eight Years of Natural Attenuation Processes
Standard by API, 1998
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Availability: Immediate Download
Language: English
License Type: Single User
Updates: Not Included
About This Item
Delineation and Charac terization of the Borden MTBE Plume: An Evaluation of Eight Years of Natural Attenuation Processes In 1988, a natural gradient tracer test was performed in the shallow sand aquifer at Canada Forces Base Borden to investigate the fate of a methyl tertiary - butyl - ether (MTBE) plume introduced into the aquifer. Solutions of groundwater mixed with oxygenated gasoline were injected below the water table along with chloride (Cl – ), a conservative tracer. The migration of benzene, toluene, ethylbenzene, and xylenes (BTEX); MTBE; and Cl – was monitored in detail for about 16 months. The mass of BTEX in the plume diminished significantly with time due to intrinsic biodegradation. MTBE, however, was not measurably attenuated. In 1995 – 1996, a comprehensive groundwater sampling program was undertaken to defi ne the mass of MTBE still present in the aquifer. Only about 3 % of the in itial MTBE mass was found, and it is hypothesized that biodegradation played an important role in its attenuation. Additional evidence is necessary to confirm this possibility
SKU: 6b9bb055c604
- Publication Date: 1998
- Publisher: API
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