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DEMONSTRATION OF NEW TOOLS FOR IMPROVED SOURCE AND RECONTAMINATION POTENTIAL ASSESSMENT
Chadwick, B. and M. Arias-Thode.
ESTCP Project ER-201432, 2355 pp, 2017

A family of technologies adapted from the oceanographic and environmental arenas was combined to improve DoD's ability to address sediment contaminant source exposure, transport, and fate challenges at coastal sites in a relatively simple and cost-effective way. The demonstration focused on the following three key technologies: (1) Drifting Exposure System - a surface global positioning system (GPS) drifter with position data telemetry, composite sample collection, and passive sampler capabilities for exposure characterization. (2) Drifting Particle Simulator - a GPS drifter with position data telemetry, buoyancy control, bottom detection, and passive sampling capability for measurement of depositional footprints and sampling of source related particles. (3) Sediment Deposition Detector - a sediment bed scour sensor with high resolution differential pressure sensor, shore cable or in situ data logging, and coupled sediment trap capabilities. Field demonstrations were conducted at Naval Base San Diego (Paleta Creek) and Joint Base Pearl Harbor Hickam (Oscar Pier and Waiau Power Plant Area). https://www.serdp-estcp.org/content/download/47129/449571/file/ER-201432%20Final%20Report.pdf See also the 2018 ESTCP Cost and Performance Report at https://www.serdp-estcp.org/content/download/48247/459182/file/ER-201432%20Cost%20&%20Performance%20Report.pdf.



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