Four Mile Creek semi-annual sampling report, January 1993 sampling event
From 1955 to 1988 low-level radioactive wastewater generated by chemical separation processes within the General Separations Area (GSA) was discharged to seepage basins in the F and H Areas of the Savannah River Site (SRS). These basins were designed to permit the infiltration of the process wastewaters. As wastewater percolated downward through the basins, chemical and radioactive constituents were retained or sequestered in the subsoils. An extensive study aimed at characterizing the groundwater seeping into Four Mile Creek and its associated seepline was conducted in 1988 and 1989 (Haselow et al. 1990). Results of this study suggested that contaminants leaching from the F and H Area seepage basins were impacting the Four Mile Creek wetland system. The seepage basins were closed in 1988 and capped and sealed in 1990. This effectively eliminated the source of the contaminants and the hydraulic head driving the migration of contaminants from the basins. It has been hypothesized that, after the elimination of the source and head, annual rainfall amounts would be sufficient to dilute and flush out contaminants remaining in the subsoils and groundwaters beneath the basins. Westinghouse Savannah River Company has designed a semi-annual sampling and analytical program for the Four Mile Creek (FMC) seepline and stream water to test the hypothesis. This report summarizes field monitoring activities from January 25, 1993 to February 4, 1993.
- Research Organization:
- Westinghouse Savannah River Co., Aiken, SC (United States); Metcalf and Eddy, Inc., Wakefield, MA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC09-89SR18035
- OSTI ID:
- 10177347
- Report Number(s):
- WSRC-TR--93-320; ON: DE93018772
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
540230
540330
COMPILED DATA
CONTAMINATION
ENVIRONMENTAL TRANSPORT
GROUND WATER
LEACHING
LOW-LEVEL RADIOACTIVE WASTES
MONITORING
PH VALUE
RADIOACTIVE MATERIALS MONITORING AND TRANSPORT
REDOX POTENTIAL
SAMPLING
SAVANNAH RIVER PLANT
SEPARATION PROCESSES
SURFACE WATERS
WASTE WATER
540230
540330
COMPILED DATA
CONTAMINATION
ENVIRONMENTAL TRANSPORT
GROUND WATER
LEACHING
LOW-LEVEL RADIOACTIVE WASTES
MONITORING
PH VALUE
RADIOACTIVE MATERIALS MONITORING AND TRANSPORT
REDOX POTENTIAL
SAMPLING
SAVANNAH RIVER PLANT
SEPARATION PROCESSES
SURFACE WATERS
WASTE WATER