The following list of reports are from the Council’s long-term environmental monitoring project, known as LTEMP. This project has gathered data on the presence of hydrocarbons in sediments and mussels in the region since 1993. More about LTEMP.
| View additional details | Author | Date | Description | View Document |
|---|---|---|---|---|
| Long Term Environmental Monitoring Program 2025 Technical Supplement | Dr. Morgan Powers | December 1, 2025 | This technical supplement contains information on field sampling, and analytical and data analysis methods used to monitor and assess environmental hydrocarbons and their potential environmental risk in Prince William Sound … | |
| Long Term Environmental Monitoring Program 2025 Summary Report | Dr. Morgan Powers | December 1, 2025 | Â The major environmental monitoring activities of the Council are conducted through the long-term environmental monitoring program, known as LTEMP. This project has gathered data on the presence of hydrocarbons in … | |
| 2024 Sediment Metals Report | Dr. Morgan Powers, fjord & fish sciences | January 25, 2025 | This pilot study provides a summary of 23 metals identified in sediments collected near two monitoring sites in Port Valdez. | |
| Long Term Environmental Monitoring Program 2024 Technical Supplement | Dr. Morgan Powers, fjord & fish sciences | December 1, 2024 | This technical supplement contains information on field sampling, and analytical and data analysis methods used to monitor and assess environmental hydrocarbons and their potential environmental risk in Prince William Sound … | |
| Long Term Environmental Monitoring Program 2024 Summary Report | Dr. Morgan Powers, fjord & fish sciences | December 1, 2024 | The major environmental monitoring activities of the Council are conducted through the long-term environmental monitoring project, known as LTEMP. This project has gathered data on the presence of hydrocarbons in … | |
| Long Term Environmental Monitoring Program 2022‒2023 Technical Supplement | Dr. Morgan Powers, Owl Ridge Natural Resource Consultants | January 30, 2024 | This technical supplement contains information on field sampling, and analytical and data analysis methods used to monitor and assess environmental hydrocarbons and their potential environmental risk in Prince William Sound … | |
| Long Term Environmental Monitoring Program 2022-2023 Summary Report | Dr. Morgan Powers, Owl Ridge Natural Resource Consultants | January 30, 2024 | The major environmental monitoring activities of the Council are conducted through the long-term environmental monitoring project, known as LTEMP. This project has gathered data on the presence of hydrocarbons in … | |
| Examining the Effectiveness of Ballast Water Treatment Processes: Insights into Hydrocarbon Oxidation Product Formation and Environmental Implications | David C. Podgorski, Maxwell L. Harsha | September 22, 2023 | Abstract: This study investigates the treatment processes employed at a ballast water treatment facility in Valdez, Alaska, to remove hydrocarbons from unsegregated ballast water. | |
| Executive Summary Of Effects Of The April 2020 Oil Spill Detected In Study Of Mussel Genes | Austin Love, Brenda Ballachey, Eric Litman, James R. Payne, Lizabeth Bowen, Shannon Waters, William B. Driskell | March 1, 2023 | On April 12, 2020, a minor oil spill was reported at the Valdez Marine Terminal (VMT) in Port Valdez, Alaska. An estimated 1,400 gallons (~34 barrels) of Alaska North Slope … | |
| Transcriptomic responses to an Alaskan oil spill over time reveal a dynamic multisystem involvement in exposed mussels (Mytilus trossulus) | Austin Love, Brenda Ballachey, Eric Litman, James R. Payne, Lizabeth Bowen, Shannon Waters, William B. Driskell | January 1, 2023 | In response to a minor shoreline spill in Port Valdez, AK, a time series of mussels (M. trossulus) was collected and analyzed for oil burdens and transcriptome response. In general, … | |
| Long Term Environmental Monitoring Program 2021 Technical Supplement | Dr. Morgan Powers, Owl Ridge Natural Resource Consultants | September 30, 2022 | This document is the technical supplement for the Long Term Environmental Monitoring Program 2021 Summary Report. | |
| Long Term Environmental Monitoring Program 2021 Summary Report | Dr. Morgan Powers, James R. Payne, Owl Ridge Natural Resource Consultants, William B. Driskell | May 30, 2022 | This document is a summary report for 28th year of Long Term Environmental Monitoring Program. | |
| Full Report: Mussel Chemistry and Transcriptomic Response after a Minor Alaskan Oil Spill | Austin Love, Brenda Ballachey, Eric Litman, James R. Payne, Lizabeth Bowen, William B. Driskell | September 22, 2021 | For this report, researchers analyzed mussels for oil concentrations and genetic response to the April 2020 spill, both near and far away from the spill site. | |
| Executive Summary: Mussel Oiling and Genetic Response to the April 2020 Valdez Marine Terminal Spill | Austin Love, Brenda Ballachey, Eric Litman, James R. Payne, Lizabeth Bowen, William B. Driskell | August 20, 2021 | For this report, researchers analyzed mussels for oil concentrations and genetic response to the April 2020 spill, both near and far away from the spill site. | |
| Long Term Environmental Monitoring Program: 2020 Sampling Results and Interpretations | James R. Payne, William B. Driskell | April 1, 2021 | This annual report summarizes and interprets the Council’s oil pollution monitoring work for the year. | |
| Using Mussel Transcriptomics For Environmental Monitoring In Port Valdez Alaska – 2019 And 2020 Pilot Study Results | Austin Love, Brenda Ballachey, Heather Coletti, James R. Payne, Katrina Counihan, Lizabeth Bowen, Shannon Waters, William B. Driskell | February 17, 2021 | The goal of this pilot study was to determine if transcriptomic analysis of mussel tissue would be useful as a part of the Council’s Long-Term Environmental Monitoring Program (LTEMP). | |
| Long Term Environmental Monitoring Program: 2019 Sampling Results and Interpretations | James R. Payne, William B. Driskell | May 7, 2020 | This annual report summarizes and interprets the Council’s oil pollution monitoring work for the year. | |
| Port Valdez Mussel Transcriptomics | Austin Love, Brenda Ballachey, Heather Coletti, Katrina Counihan, Lizabeth Bowen, Shannon Waters | November 20, 2019 | This pilot project provided funding to evaluate if a new environmental monitoring method, transcriptomics, could be used to improve the Council’s Long-Term Environmental Monitoring Program (LTEMP). | |
| Long-Term Environmental Monitoring Program: 2018 Sampling Results and Interpretations | James R. Payne, William B. Driskell | August 1, 2019 | The Council’s Long-Term Environmental Monitoring Program (LTEMP) was begun in 1993 with the goal of monitoring for environmental impacts from oil transportation activities. | |
| Long-Term Environmental Monitoring Program: 2017 Sampling Results and Interpretations | James R. Payne, William B. Driskell | September 1, 2018 | This annual report examines the hydrocarbon chemistry data from Port Valdez sediments and mussel tissues with the goal of monitoring for impacts from oil transportation activities on the environment at … | |
| LTEMP 2015 Sampling Results and Interpretations | James R. Payne, William B. Driskell | December 1, 2016 | ||
| LTEMP Results And Interpretations From Sampling, 2008-2013 | James R. Payne, Jeffrey W. Short, Larry G. Holland, Marie L. Larsen, William B. Driskell | March 8, 2013 | ||
| LTEMP 2008-2012 | James R. Payne, Jeffrey W. Short, Larry G. Holland, Marie L. Larsen, William B. Driskell | December 8, 2012 | ||
| LTEMP 2005-2006 | James R. Payne, Jeffrey W. Short, Marie L. Larsen, William B. Driskell | December 1, 2006 | ||
| LTEMP Ecology Of Tidal Flat Communities of the Copper River Delta | Dauphin Island Sea Lab, Department of Marine Sciences, Erika Clesceri, Mary Anne Bishop, Sean P. Powers, University of South Alabama | April 11, 2006 | For this report, researchers investigated linkages between riverine and oceanic influences and the nutritional baseline for mudflat food webs in the Copper River Delta and Hartney Bay in Southeastern Prince … | |
| LTEMP Kinnetic Laboratories Reference Oils Report | Kinnetic Laboratories Inc. | March 1, 2006 | This report describes the results of chemical analyses performed on portions of sediment samples collected in 2000 by ABL personnel for a separate project entitled “Evaluation of Yakataga Oil Seeps … | |
| LTEMP 2004-2005 | James R. Payne, Jeffrey W. Short, Marie L. Larsen, William B. Driskell | February 10, 2005 | ||
| LTEMP 2003-2004 | James R. Payne, Jeffrey W. Short, William B. Driskell | December 28, 2004 | ||
| LTEMP 2002-2003 Summary | James R. Payne, Jeffrey W. Short, William B. Driskell | December 28, 2003 | ||
| LTEMP 2002-2003 | James R. Payne, Jeffrey W. Short, William B. Driskell | December 28, 2003 | ||
| LTEMP 2000-2002 | Kinnetic Laboratories Inc. | December 28, 2002 | ||
| Assessing Transport And Exposure Pathways and Potential Petroleum Toxicity to Marine Resources in Port Valdez, Alaska, 2001 | James R. Payne, William B. Driskell | December 8, 2001 | ||
| LTEMP 1998-1999 | Kinnetic Laboratories Inc. | December 12, 1999 | ||
| LTEMP Caged Mussel Study From Applied Biometering | Applied Biomonitoring | February 16, 1999 | A caged mussel pilot study was conducted between February and April, 1997 in Port Valdez, Alaska. The purpose of this study was to determine the feasibility of using transplanted mussels … | |
| LTEMP 1997-1998 | Kinnetic Laboratories Inc. | December 28, 1998 | ||
| LTEMP 1993-1996 Non-technical | Dennis C. Lees, James R. Payne, William B. Driskell | December 28, 1996 | The primary objective of the ongoing Long-Term Environmental Monitoring Program (LTEMP) is to collect data to monitor hydrocarbon pollution due to the oil transportation industry in Prince William Sound and … | |
| LTEMP 1993-1996 | Dennis C. Lees, James R. Payne, William B. Driskell | December 28, 1996 |