NAVFAC Environmental Restoration & BRAC Technology Transfer Program

Join us for an informative webinar on environmental justice considerations and to learn more about NAVFAC’s collaboration on an environmental justice pilot project at Naval Station Norfolk. Register at https://lnkd.in/eNiRSrft.

Remediation of chlorinated solvent plumes is a difficult technical challenge, as complete restoration of the groundwater back to original conditions has been demonstrated at only a few sites. This fact sheet summarizes a key factor responsible for this difficulty - matrix diffusion. Matrix diffusion is the process by which contaminants in groundwater initially migrate from areas of higher concentration in high-permeability zones (e.g., sands and gravels) into low-permeability media (e.g., clayey sands, silts, and clays).     For more information, please visit the NAVFAC Environmental Restoration and BRAC web site: https://lnkd.in/gHCdnJU5

Per-and polyfluoroalkyl substances (PFAS) foam fractionation technology demonstration at former Naval Air Station (NAS) JRB Willow Grove funded by NAVFAC HQ.  In addition to the NAVFAC EXWC PM (Dr. Tony Danko, P.E.), visitors included those from Pennsylvania Department of Environmental Protection, EPA, SERDP-ESTCP (Dr. Kim Spangler, Director and Dr. Allison Narizzano, Fellow), NAVFAC Team Members (Mr. Jason Speicher, Mr. Jim Rugh, Ms. Dawn DeFreitas, and Mr. Brian Helland), and Dr. Ramona Iery (NAVFAC EXWC).    Visits from the regulators are important to facilitate acceptance of innovative technologies at installations and demonstrate that the Navy is working to address challenges associated with PFAS remediation.   The performance evaluation has been ongoing, and a final report is expected by the end of 2024 with recommendations for future application. For more information on this site visit, check out: SERDP & ESTCP on LinkedIn at https://lnkd.in/eeH2zyiV. #pfas

Hello Environmental Restoration Community! We would like your input regarding the continued need for Remediation Innovative Technology Seminar (RITS) Handbooks.   Please follow the link below and respond to the survey:  https://lnkd.in/eGWnh2HH Your participation is important to us.  Thank you! 

Electrokinetic (EK)-enhanced in situ remediation offers a promising approach to treating source zones at complex sites. This fact sheet discusses how EK delivery methods work and explores two EK case studies for bioremediation and in situ chemical oxidation. Lessons learned and key considerations for implementing EK technologies are also summarized.

The NAVFAC OER2 webinar series is offering a two-part presentation on a Remedial Investigation (RI) framework for per-and polyfluoroalkyl substances (PFAS). View the link below to register for Part 1 which will focus on the document overview and discuss site characterization, analytical methodologies, screening/cleanup levels, risk assessments, and investigative-derived waste management for PFAS RIs. https://lnkd.in/eerUFeAd

OUR CONTACT EMAIL HAS CHANGED. Our new email is [email protected]. Any questions you have regarding our Technology Transfer (T2) Program, including website, social media, newsletter, webinars, in-person seminars, or products, please contact us at [email protected].

NAVFAC Report on Case Studies Using Surface Weighted Average Concentration Methods at Sediment Remediation Sites   Surface weighted average concentrations (SWACs) can be used to estimate mean concentrations over a specified area using chemical data collected over different temporal and spatial scales. There is a growing reliance on this approach to evaluate compliance with remediation goals at contaminated sediment sites. View the NAVFAC report highlighting recent SWAC case studies to learn more.

NAVFAC Guidance on Optimizing Remediation Technologies This NAVFAC guidance document presents technology-specific optimization information for 15 selected remedial technologies. For each technology, this guidance includes a description, an example performance plot, and a summary of common operational issues and corresponding optimization recommendations.

NAVFAC Fact Sheet on High-Volume Sampling for Vapor Intrusion Assessments High-volume sampling (HVS) is an innovative method to perform vapor intrusion assessments beneath large buildings. This fact sheet details key advantages and limitations as well as highlights two successful applications of HVS at Naval Air Station Corpus Christi and Naval Station Norfolk.