Assessment of soil, surface-water, and ground-water contamination at selected sites at J-Field, Aberdeen Proving Ground, Maryland. Water resources investigations
Technical Report
·
OSTI ID:339663
J-Field is located at the southernmost tip of the Gunpowder Neck Peninsula in the Edgewood Area of Aberdeen Proving Ground, on the western shore of Chesapeake Bay, in Harford County, Maryland. J-Field has been used by the U. S. Army since World War I as a testing ground for munitions, including chemical- warfare agents. From shortly after World War II into the 1970`s, chemical- warfare agents, high-explosive munitions, and industrial chemicals were tested and disposed of at J-Field by open-pit burning and by high-explosive demolition. Only emergency disposal operations have been conducted at J-Field since the early 1980`s. Soil, surface-water, and ground-water contamination has resulted from the migration of unburned chemicals and fuels from the disposal areas. Discharge of contaminants from ground water and runoff has resulted in surface- water contamination in the marshes and ponds in J-Field. This investigation was conducted from 1989 to 1994 as part of a remedial investigation of J-Field in response to Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) requirements. The nature and extent of contamination was assessed at five sites: the toxic-materials disposal area, the white-phosphorus disposal area, the riot-control-agent disposal area, the Robins Point demolition area, and the prototype building area. The toxic-materials disposal area was the most contaminated of the five sites investigated. Most of the soil- and surface- water contamination was detected in the marsh area to the east of the disposal pits. High concentrations of lead, antimony, cadmium, copper, and mercury were detected in soils at the edge of this marsh. Lead concentrations as high as 51 micrograms per liter (micrograms/L) and concentrations of other trace metals were highest in surface water at the edge of the marsh.
- Research Organization:
- Geological Survey, Water Resources Div., Reston, VA (United States)
- OSTI ID:
- 339663
- Report Number(s):
- AD-A--357576/XAB; TR--98-4037
- Country of Publication:
- United States
- Language:
- English
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