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Petroleum Releases: Identification of LNAPL Properties

Carol Stein, P.E.

LNAPLs are a class of substances which most commonly are released into the ground following petroleum spills. LNAPLs are lighter than water, and are immiscible in water. In order to effectively remediate these releases, it is important to understand the behavior of LNAPL in the subsurface at a site. The understanding of LNAPL behavior and the methods for evaluating LNAPL have evolved significantly over recent years, and many misconceptions have been debunked. This course will provide the project manager with a basic understanding of LNAPL behavior over time, which ultimately will enable the project manager to select appropriate and effective remedies.

This course is based entirely on Section 3 of the ITRC Guidance document Light Non-Aqueous Phase Liquid (LNAPL) Site Management: LCSM Evolution, Decision Process, and Remedial Technologies. LNAPL-3, Washington, DC, 2018 update. https://lnapl-3.itrcweb.org.

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.