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March 13, 2021 10:00 am

'Underwater Roombas' Help Start Cleanup of Decades-Old Toxic Waste Dump Along California Coast

For almost 40 years, the nation's largest DDT manufacturer disposed of some of its waste product off the coast of Southern California. Now, a research boat is deploying "underwater roombas" to map the ocean floor and assess the damage. Gizmodo reports: In October, people living on Santa Catalina Island, which sits 22 miles (35 kilometers) off the coast of Southern California, were shocked to learn from a Los Angeles Times investigation that a scientist had found leaking barrels of dangerous waste strewn across the ocean floor. Residents had heard rumors that the nation's largest DDT manufacturer, which was based in Los Angeles until 1982, had disposed of some of its waste product near the island, and a huge Superfund lawsuit in 2000 had confirmed the company had disposed waste into sewers that ran into the ocean. But records unearthed by the Times confirmed that the manufacturer had filled up a ship with barrels of DDT-tainted waste and dumped it off the coast once a month for almost 40 years, something unaddressed in the Superfund lawsuit. So how do you start cleaning up leaking barrels of toxic DDT-laced sludge? Send in the robots. A research boat staffed with a crew and two scientists set off this week on a two-week trip to assess the extent of the damage from the DDT barrels. Eric Terrill of Scripps Institution of Oceanography, who is spearheading the cleanup efforts, described the robots to the Los Angeles Times as "underwater Roombas," which is very cute. These little buddies are tricked out with sonar equipment that will help them collect data from the ocean floor. Suddenly your robotic vacuum is looking a little less cool. The robot's purpose isn't to vacuum, though, but to survey the area littered with barrels of potentially toxic waste. Over the next two weeks, the aquatic robotic explorers will run between 12 and 16 hours a day, mapping out the ocean floor to ascertain the barrels' location and pinpoint areas for future study.

Read more of this story at Slashdot.


Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/6LGfgj16OMk/underwater-roombas-help-start-cleanup-of-decades-old-toxic-waste-dump-along-california-coa

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