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Guidelines for Contaminated Ground Water Plume Management

John Huang, Ph.D., PE and John Poullain, PE

This three-hour online course provides general guidelines and techniques for management of contaminated ground water plumes at uncontrolled hazardous and toxic waste sites. The management methods include extraction/injection well systems, subsurface barrier systems such as slurry trench cutoff walls, grout curtains, membrane and synthetic sheet curtains, sheet pile cutoff walls and pumping systems combined with subsurface barriers. Gravity systems, seepage basins, subsurface drains and drainage ditches and ground water barrier combinations are also discussed. Remediation controls for surface water and gas emissions are not discussed here. Remedial actions performed at a contaminated site must comply with federal and state regulations.

The student will become familiar with methods and techniques used to treat and manage contaminated ground water plumes at hazardous and toxic waste sites (HTW). Ground water plumes can contain contaminants like volatiles, soluble organic, corrosive acids and alkalis. The student will understand the design and construction of deep well and extraction/injection well pumping systems, ground water barriers including slurry trench and sheet pile cutoff walls, grout curtains and membrane sheet curtains. Subsurface barriers use in combination with pumping systems is discussed. The basic guidelines for the O&M of a treatment method, guidance in the selection of the most appropriate method for treatment and their advantages and disadvantages are discussed. Potential environmental risks caused by the remedial activities and measures to take to minimize the risks are discussed.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

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NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.