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3M contamination of Minnesota groundwater. From the 1950s through the early 2000s, 3M disposed of per- and polyfluoroalkyl substances produced during the manufacturing process of various industrial products in four dumping sites in Minnesota. [1] These chemicals have contaminated the groundwater of over 170,000 residents of the Twin Cities East ...
The Minnesota Pollution Control Agency (MPCA) believes that use of the chlorinated solvent TCE at a former metal working facility at the location of the Hagberg Country Market was the major source of site ground water contamination. The use of TCE at the Lake Elmo airport likely also have caused some of the TCE groundwater contaminant plume.
This is a list of Superfund sites in Minnesota designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up hazardous material contaminations. [1]
Groundwater pollution (also called groundwater contamination) occurs when pollutants are released to the ground and make their way into groundwater.This type of water pollution can also occur naturally due to the presence of a minor and unwanted constituent, contaminant, or impurity in the groundwater, in which case it is more likely referred to as contamination rather than pollution.
In the United States, an environmental site assessment is a report prepared for a real estate holding that identifies potential or existing environmental contamination liabilities. The analysis, often called an ESA, typically addresses both the underlying land as well as physical improvements to the property. A proportion of contaminated sites ...
Groundwater remediation is the process that is used to treat polluted groundwater by removing the pollutants or converting them into harmless products. Groundwater is water present below the ground surface that saturates the pore space in the subsurface. Globally, between 25 per cent and 40 per cent of the world's drinking water is drawn from ...
The Wellhead Protection Program in the 1986 amendments to the Safe Drinking Water Act requires states to protect underground sources of drinking water from contaminants that may adversely affect human health. Over half of the U.S. population relies on groundwater for drinking water [ 1] However, residential, municipal, commercial, industrial ...
Thus, hydraulic containment is the attempt of confining the movement of any harmful fluid within a limit. In the pollution management sense, hydraulic containment is a technique used to control the movement of contaminated groundwater, preventing the continued expansion of the contaminated zone. It is the first step of pump and treat [1 ...
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