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OPTICS (OPTically-based In-situ Characterization System)

OPTICS (OPTically-based In-situ Characterization System) The OPTICS tool (U.S. Patent No. 11079368) integrates commercial, off-the-shelf, in situ optical, physical, and water quality sensors, discrete surface water samples, and a multiparameter statistical model to provide high-resolution characterization of surface water...

Understanding PFAS Behavior in Sediment

Understanding PFAS Behavior in Sediment Per- and polyfluoroalkyl substances (PFAS) have vaulted to the forefront of interest for manufacturers, water utilities, regulators, litigators, and the wider public. With diverse applications, PFAS are in hundreds of products for residential, commercial, and...

The Conceptual Site Model: Webinar

The Cornerstone to Successful Environmental Projects – January 24, 2024 A conceptual site model (CSM) is foundational to both designing and implementing remedial actions. Too often, a CSM is developed during the remedial investigation and remains a static...

Innovative Optical Methods for Characterization of Chemical Dynamics

Poster presented at RemTEC & Emerging Contaminant Summit, October 3–5, 2023, Westminster, California Contaminants such as mercury and PCBs accumulated in aquatic environments pose potential risks to humans and wildlife. Mitigation within dynamic aquatic settings,...

Permitting Constraints and Their Influence on Remedy Design

Additional contribution by Kathryn Purcell (Port of San Francisco) Poster presented at Battelle Sediments Conference, Jan 9-12, 2023, Austin, Texas Background/Objectives Policies and regulations that govern dredging, the placement of fill, and other in-water work...