For years, scientists conducted cutting-edge rocket testing for Mercury flights, Moon landing, Space Shuttle
Visitors on an invitation-only and rare tour of the Santa Susana Field Lab superfund site saw the Alpha Test Stand 1, used for rocket testing in NASA’s Space Shuttle program and other projects. Shown on Saturday, April 6, 2024.
Core samples from wells on display during the “Groundwater U Workshop,” at the Santa Susana Field Laboratory in the Simi Hills between Simi Valley and Los Angeles on Saturday, April 6, 2024. Beth Parker, SSFL Groundwater Advisory Panel Member, points out study areas on a 3D map during the “Groundwater U Workshop,” at the Santa Susana Field Laboratory in the Simi Hills between Simi Valley and Los Angeles on Saturday, April 6, 2024.
Richard Andrachek, professional engineer, talks with a visitor about groundwater monitoring during a “Groundwater U Workshop,” at the Santa Susana Field Laboratory in the Simi Hills between Simi Valley and Los Angeles on Saturday, April 6, 2024. “The main concentrations of TCE that we have found are in the weathered bedrock and that’s where we have been doing interim measures since 2017,” Mengers explained, referring to trichloroethylene, or TCE. “And in these interim measures, we have reduced the concentrations of TCE through pumping — and then shipping off-site for testing and treatment.”
While the method of pumping out and then shipping the TCE to a treatment facility has proved to be effective, Mengers said, the goal of his team is to install an automated pumping system using solar power instead of doing it manually., such as shipping TCE out of the area for treatment, they are mostly pilot programs. The cleanup of the Santa Susana lab area, which is located north of Bell Canyon,
Researchers have been using a system called the Bedrock Vapor Extraction that draws vapors from fractures in bedrock in the groundwater. The system pulls air and vapors through the bedrock and up to the surface. Then the chemicals are captured by a carbon filter and the now-treated air — which NASA says is clean — is released into the atmosphere.
“I’m going to operate here for 18 months and then I’m going to pack it up, I’m going to turn it off, fold it up and then I’ll move it on trailers … to the next site” at the lab, Zorba said.
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