Author Archives: ansr_admin

Applied NAPL Science Review Managing NAPL Heterogeneity’s Hijinks Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc. Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy St. Germain, Dakota Technologies, Inc. Dr. Terrence Johnson,… Continue Reading →

Applied NAPL Science Review Addressing PFAS Contamination in Aquatic Sediments Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc. Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy St. Germain, Dakota Technologies, Inc. Dr…. Continue Reading →

Applied NAPL Science Review Challenges in Modeling PFAS Fate and Transport at NAPL-impacted Sites Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc. Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy St. Germain,… Continue Reading →

Applied NAPL Science Review PFAs and LNAPL/PFAS Microemulsions at NAPL Remediation Sites Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc. Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy St. Germain, Dakota Technologies,… Continue Reading →

Applied NAPL Science Review Using Flux Chambers to Quantify Ebullition Facilitated NAPL and Contaminant Transport Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc. Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy St…. Continue Reading →

Applied NAPL Science Review Assessment and Control of Ebullition Facilitated NAPL and Contaminant Transport in Sediment Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc. Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy… Continue Reading →

Applied NAPL Science Review Benefits of Including Climate Change Considerations in a Sediment NAPL Remedy Editor: Lisa Reyenga, PE ANSR Scientific Advisory BoardJ. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc.Andrew J. Kirkman, PE, BP Corporation North AmericaRobert Frank, RG, JacobsPaul Cho, PG, CA Regional Water Quality Control Board-LARandy St. Germain, Dakota Technologies, Inc.Dr. Terrence… Continue Reading →

Applied NAPL Science Review A Weight-of-Evidence Approach to Characterize NAPL Body Upward Migration Potential in Sediments Editor: Lisa Reyenga, PE ANSR Scientific Advisory BoardJ. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc.Andrew J. Kirkman, PE, BP Corporation North AmericaRobert Frank, RG, JacobsPaul Cho, PG, CA Regional Water Quality Control Board-LARandy St. Germain, Dakota Technologies, Inc.Dr…. Continue Reading →

Applied NAPL Science Review A Weight-of-Evidence Approach to Characterize Pore-Scale NAPL Mobility in Sediment Samples Editor: Lisa Reyenga, PE ANSR Scientific Advisory BoardJ. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc.Andrew J. Kirkman, PE, BP Corporation North AmericaRobert Frank, RG, JacobsPaul Cho, PG, CA Regional Water Quality Control Board-LARandy St. Germain, Dakota Technologies, Inc.Dr. Terrence… Continue Reading →

Applied NAPL Science Review Using a Tiered Framework for NAPL Movement Evaluations Editor: Lisa Reyenga, PE ANSR Scientific Advisory BoardJ. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc.Andrew J. Kirkman, PE, BP Corporation North AmericaRobert Frank, RG, JacobsPaul Cho, PG, CA Regional Water Quality Control Board-LARandy St. Germain, Dakota Technologies, Inc.Dr. Terrence Johnson, USEPABrent Stafford,… Continue Reading →

Applied NAPL Science Review Fundamentals of Ebullition Facilitated NAPL and Contaminant Transport Editor: Lisa Reyenga, PE ANSR Scientific Advisory BoardJ. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc.Andrew J. Kirkman, PE, BP Corporation North AmericaRobert Frank, RG, JacobsPaul Cho, PG, CA Regional Water Quality Control Board-LARandy St. Germain, Dakota Technologies, Inc.Dr. Terrence Johnson, USEPABrent Stafford,… Continue Reading →

Applied NAPL Science Review Typical Metrics for Evaluating Advective NAPL Movement in Sediments Editor: Lisa Reyenga, PE ANSR Scientific Advisory BoardJ. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc.Andrew J. Kirkman, PE, BP Corporation North AmericaRobert Frank, RG, JacobsPaul Cho, PG, CA Regional Water Quality Control Board-LARandy St. Germain, Dakota Technologies, Inc.Dr. Terrence Johnson, USEPABrent… Continue Reading →

Applied NAPL Science Review Sediment Sample Collection and Field Screening to Inform NAPL Mobility and Migration Evaluations  Editor: Lisa Reyenga, PE ANSR Scientific Advisory BoardJ. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc.Andrew J. Kirkman, PE, BP Corporation North AmericaRobert Frank, RG, JacobsPaul Cho, PG, CA Regional Water Quality Control Board-LARandy St. Germain, Dakota Technologies, Inc.Dr. Terrence Johnson, USEPABrent… Continue Reading →

Applied NAPL Science Review Estimating NAPL Hydraulic Conductivity and Migration Rate Based on Laboratory Test Results Editor: Lisa Reyenga, PE ANSR Scientific Advisory BoardJ. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc.Andrew J. Kirkman, PE, BP Corporation North AmericaRobert Frank, RG, JacobsPaul Cho, PG, CA Regional Water Quality Control Board-LARandy St. Germain, Dakota Technologies, Inc.Dr. Terrence… Continue Reading →

Applied NAPL Science Review Oil-Particle Aggregates and In Situ Deposited NAPL Sediments Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc. Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy St. Germain, Dakota Technologies,… Continue Reading →

Applied NAPL Science Review Evaluating Emplacement and Movement of NAPL in Sediment  Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy St. Germain, Dakota Technologies, Inc. Dr. Terrence… Continue Reading →

Applied NAPL Science Review NAPL Mobility and Migration in Water Body Sediments – Contrasts with Land-Based Soils Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA… Continue Reading →

Applied NAPL Science Review Degassing Method Natural Source Zone Depletion Case Study  Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy St. Germain, Dakota Technologies, Inc…. Continue Reading →

Applied NAPL Science Review Natural Source Zone Depletion Screening Methodologies Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc Andrew J. Kirkman, PE, BP Corporation North America Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy St. Germain, Dakota Technologies, Inc. Dr…. Continue Reading →

Applied NAPL Science Review Demystifying NAPL Science for the Remediation Manager Editor: Lisa Reyenga, PE ANSR Scientific Advisory Board J. Michael Hawthorne, PG, Board Chairman, GEI Consultants, Inc Andrew J. Kirkman, PE, BP Americas Robert Frank, RG, Jacobs Paul Cho, PG, CA Regional Water Quality Control Board-LA Randy St. Germain, Dakota Technologies, Inc. Dr. Terrence… Continue Reading →