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Record of Decision System (RODS)



City & State:  CUMBERLAND  MD  21502
EPA ID:  MDD980691588
EPA Region:  03
NPL Status:  Currently on the Final NPL
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-96/226
ROD Date:  06/28/1996
Operable Unit(s):  02
Media:  groundwater, surface water, sediment
Contaminant:  Cadmium, chromium, lead, manganese, nickel, arsenic, copper, zinc
Abstract:  Please note that the text in this document summarizes the Record of Decision for the purposes of facilitating searching and retrieving key text on the ROD. It is not the officially approved abstract drafted by the EPA Regional offices. Once EPA Headquarters receives the official abstract, this text will be replaced.

The Limestone Road site is located 2 « miles southeast of Cumberland, Maryland. The site includes contamination found on two separate parcels of land: the Diggs Sanitation Company (Diggs) property on the north side of Limestone Road, and the Cumberland Cement and Supply Company (CC&SC) property on the south side of Limestone Road. The Diggs property is bordered on the southwest by several residences and to the northeast by the former Cumberland City Dump (City Dump) and undeveloped land. The CC&SC property is partially bordered on the north by the City Dump and Limestone Road, and undeveloped land on the remaining perimeter of the property. Currently, 18 residences are within « of the site, five are within 100 yards of the site, and one is located on the Diggs property. These residences are serviced by individual water supply wells.

In the 1960s, a trash collection and burning operation was reported opening on the Diggs property. In the early 1970s, Diggs Sanitation, Inc., a licensed waste hauler, bought the property and then conducted refuse operations, primarily the landfilling of commercial limestone quarrying. The land was then purchased by an individual for the purpose of developing the quarry to the north and east of the site. The quarry was never developed and instead, ravine areas on the site were filled during the mid 1970s in to make a level working area. The fill reportedly consisted of a wide variety of clean construction and demolition debris as well as household trash and commercial and industrial refuse. Activities such as vehicle repair and oil recovery have also reportedly been conducted on the CC&SC property.

In April 1981, waste sludge contaminated with chromium, lead, and cadmium was illegally dumped. It was estimated that 99 tons of that sludge was disposed of on the CC&SC property and 11 tons on the Diggs property. In 1984, a 20,000-gallon tank located in the area of the reported oil recovery operation and the soil surrounding the tank were successfully removed under the supervision of the Maryland Waste Management Administration and the Allegany County Health Department.

Early studies in findings conducted in the area indicated that some local residential wells contained elevated levels of metals, including lead, manganese, copper, and nickel. Potable water was provided to residents with elevated levels of contaminants in their wells.

Data from analysis of groundwater, surface water, and sediments in reports were thoroughly examined to evaluate the chemicals present and their distribution and concentrations at the site. Based on current land use, the site itself is expected to remain undeveloped. For residents living at or near the site, the primary pathway for exposure to site-related contaminants is through use of groundwater. Exposure could occur by consumption of groundwater, contact from household use, and inhalation of volatiles while bathing/showering.
Remedy:  The selected remedy consists of the following components: installation of a waterline and ancillary equipment to service residents in the vicinity of the site with the waterline of sufficient capacity to meet the needs of both current and reasonably expected future development of the area; implementation of deed restrictions on the previously capped areas of the site to prevent use of such areas in such a manner as would cause disturbance of the caps; implementation of a groundwater management program to prevent installation of drinking water wells in the vicinity of the site; continuation of the long term groundwater, surface water, and sediment monitoring plans currently being implemented pursuant to OU1; and abandonment of existing residential water supply wells.
Text:  View full-text ROD [ 94K ]
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