NGWA offers short course on LNAPL volume, mobility and recoverability

The National Ground Water Association is offering a one-day course on LNAPL volume, mobility and recoverability for recovery systems design on November 4 in Costa Mesa, California.

The course will show how diverse information such as soil core analysis, product bail-down tests, historical fluid levels, and recovery system performance can be integrated into an LNAPL Conceptual Site Model (LCSM) that is used to meet product objectives.

Participants will learn how to:
• Apply fundamental concepts of multiphase fluids in porous media as applied to LNAPLs
• Plan field and lab data collection at LNAPL sites
• Interpret soil/rock core photo imagery and laboratory tests for fluid and matrix properties that control LNAPL distribution
• Estimate LNAPL volume, mobility, and transmissivity across the plume area
• Integrate LNAPL and site hydrogeologic data into a workable LCSM, the basis for evaluation of remedial strategies and for establishing a practical endpoint
• Examine case studies that illustrate development of an LCSM under different petroleum site conditions and geologic settings.

This intermediate- to advanced-level course is best suited to geologists and hydrogeologists; soil scientists; environmental scientists and engineers; chemical and geotechnical engineers; project managers, task managers, and technical managers; and environmental case workers with regulatory agencies.
Although not required, background experience with LNAPL site investigations, remediation, and/or regulatory decisions is helpful.

Course instructors are:
• Don Lundy, principal hydrogeologist, Environmental Systems & Technologies, a division of Groundwater & Environmental Services Inc., has more than 25 years of consulting experience in LNAPL volume/mobility/recoverability evaluations
• Mary Ann Parcher is the site operations manager and principal scientist for Environmental Systems & Technologies, a division of Groundwater & Environmental Services Inc. She has more than 15 years of environmental consulting experience and specializes in the application of computer technology to aid in the assessment and remediation of sites impacted by petroleum products and solvent releases.

To learn more about this course, as well as the many other NGWA educational programs, visit or call 800 551.7379 (614 898.7791).

NGWA, a nonprofit organization comprised of more than 13,000 U.S. and international groundwater professionals—contractors, equipment manufacturers, suppliers, scientists, and engineers—is dedicated to advancing groundwater knowledge. NGWA’s vision is to be the leading groundwater association that advocates the responsible development, management, and use of water.

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