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U.S. EPA Completes Initial Investigation

The U.S. EPA conducted a field investigation this summer to assess potential risks to human health and the environment posed by the Site. While contaminants were detected at the Site, the levels were low and were not considered to be an immediate threat to human health. The U.S. EPA is continuing the investigation this fall.

Tremont City Landfill Site
Tremont City, Ohio
October 2000

The United States Environmental Protection Agency (U.S. EPA) has prepared this fact sheet to inform you of the progress in the investigation of the Tremont City Landfill Site near Tremont City, Ohio. This fact sheet includes a summary of the Phase I field investigation that was conducted this summer and the planned Phase II field investigation to be conducted in October 2000.

The Tremont City Landfill Site (the Site) consists of three main areas: the barrel fill, the waste transfer facility, and the landfill. The Tremont Landfill Company (a subsidiary of Diversified Environmental Management Company, a subsidiary of the Danis Companies) owns the Site, which is no longer in operation. Based on an extensive review of Site documents, the U.S. EPA concluded that a preliminary investigation was needed to detennine if the Site poses a risk to human health and the environment.

The results of the Phase I investigation and future activities are briefly described below. Another fact sheet will be mailed to you after Phase II is completed.

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Barrel Fill

The barrel fill is an 8.S-acre site in which 47,000 drums of industrial waste and 52,000 gallons of liquids and sludge were buried. The U.S. EPA evaluation of the barrel fill began with a geophysical survey to identify where the buried drums are located. With the assistance of the Ohio Environmental Protection Agency (Ohio EPA), 12 borings were drilled along the boundary of the barrel fill to the estimated maximum burial depth of the drums (30 feet). Analysis of soil samples from these borings showed the presence of low levels of volatile organic compounds (VOCs) and metals. VOCs were also present in a seep sample collected near the barrel fill. The U.S. EPA intends to install ten additional borings and six new wells around the barrel fill during the Phase II investigation to further assess site conditions.

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Waste Transfer Facility

The waste transfer facility is a14-acre area located south of the barrel fill and north of the landfill. Past operations conducted here include waste oil recycling, transfer of drums to the barrel fill, and waste oil ponds and lagoons. No buried tanks or waste containers were found during the U.S. EPA's geophysical survey of the waste transfer facility. Soil samples were collected at 14 surface and seven borehole locations. Some soil contamination was observed at a fonner aboveground storage tank area. Additional soil and ground water samples will be collected from this area during the Phase II investigation.

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Landfill

The Phase I investigation included sampling of landfill gas, landfill leachate, soils, sediments, surface water and ground water at the 58-acre landfill. Low levels ofVOCs were identified in the leachate and gas samples. Ground water contaminants detected included metals and low levels of several VOCs and semi-volatile organic compounds (SVOCs). Surface water samples collected around the landfill and in Chapman Creek did not appear to be contaminated. However, sediment samples from some of the same locations contained several SVOCs and YOCs. The U.S. EPA plans to complete eight soil borings and six new wells around the landfill and Chapman Creek during the Phase II investigation. Additional sediment samples will be collected from Chapman Creek to confirm the earlier results.

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Geological Evaluations

Ground water samples will be collected from 38 monitoring wells around the Site to further evaluate ground water quality. The Ohio division of the United States Geological Survey (USGS) will conduct studies of water flow and temperature in Chapman Creek and measure water levels in private wells in a regional area around the Site. The Ohio EPA will install several mini-wells in the area of Chapman Creek to assist in evaluating groundwater elevations. In addition, the Colorado division of the USGS will conduct downhole geophysical surveys of wells on the Site to further evaluate the underlying geology of the Site. These Phase II investigation activities will further the U.S. EPA's understanding of the way in which ground water flows on the Site and in the Chapman Creek area.

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Ecological Evaluation

The U.S. EPA, in conjunction with the Ohio EPA, performed a survey of the Site ecology, including Chapman Creek. The ecological survey identified the current assemblage of plants and animals living on and near the Site. This information will be used to evaluate if and how the Site is affecting the local aquatic environment.

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