Author Archives: ansr_admin

Simulating Dissolution of the Most Soluble Compounds from Complex NAPLs Using Equilibrium Partitioning
Volume 11, Issue 2 | April 2023

Applied NAPL Science Review Simulating Dissolution of the Most Soluble Compounds from Complex NAPLs Using Equilibrium Partitioning 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 →

Part 2 of Managing NAPL Heterogeneity’s Hijinks
Volume 11, Issue 1 | March 2023

Applied NAPL Science Review Part 2 of 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…. Continue Reading →

Managing NAPL Heterogeneity’s Hijinks
Volume 10, Issue 8 | December 2022

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 →

Addressing PFAS Contamination in Aquatic Sediments
Volume 10, Issue 7 | November 2022

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 →

Challenges in Modeling PFAS Fate and Transport at NAPL-impacted Sites Volume 10, Issue 6 | October 2022

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 →

PFAS and LNAPL/PFAS Microemulsions at NAPL Remediation Sites
Volume 10, Issue 5 | August 2022

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 →

Using Flux Chambers to Quantify Ebullition Facilitated NAPL and Contaminant Transport
Volume 10, Issue 4 | June 2022

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 →

Assessment and Control of Ebullition Facilitated NAPL and Contaminant Transport in Sediment
Volume 10, Issue 3 | May 2022

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 →

Benefits of Including Climate Change Considerations in a Sediment NAPL Remedy
Volume 10, Issue 2 | March 2022

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 →

A Weight-of-Evidence Approach to Characterize NAPL Body Upward Migration Potential in Sediments
Volume 10, Issue 1 | February 2022

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 →

A Weight-of-Evidence Approach to Characterize Pore-Scale NAPL Mobility in Sediment Samples
Volume 9, Issue 8 | December 2021

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 →

Using a Tiered Framework for NAPL Movement Evaluations
Volume 9, Issue 7 | November 2021

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 →

Fundamentals of Ebullition Facilitated NAPL and Contaminant Transport
Volume 9, Issue 6 | September 2021

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 →

Typical Metrics for Evaluating Advective NAPL Movement in Sediments
Volume 9, Issue 5 | August 2021

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 →

Sediment Sample Collection and Field Screening to Inform NAPL Mobility and Migration Evaluations
Volume 9, Issue 4 | June 2021

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 →

Estimating NAPL Hydraulic Conductivity and Migration Rate Based on Laboratory Test Results
Volume 9, Issue 3 | May 2021

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 →

Oil-Particle Aggregates and In Situ Deposited NAPL Sediments
Volume 9, Issue 2 | March 2021

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 →

Evaluating Emplacement and Movement of NAPL in Sediment
Volume 9, Issue 1 | February 2021

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 →

NAPL Mobility and Migration in Water Body Sediments – Contrasts with Land-Based Soils
Volume 8, Issue 4 | December 2020

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 →

Degassing Method Natural Source Zone Depletion Case Study
Volume 8, Issue 3 | September 2020

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 →

Natural Source Zone Depletion Screening Methodologies
Volume 8, Issue 2 | June 2020

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 →

Monitored Natural Source Zone Depletion Measurement Frequency
Volume 8, Issue 1 | April 2020

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 →