Searching for radioactive waste in the depths of the Atlantic – France 24

Container (metal or concrete drums) of low-level radioactive waste, in the North-East Atlantic dumping zone (NEA zone), between 4,500 and 4,700 m deep, 1984 (courtesy of Fûts de déchets faiblement radioactifs en Altantique Nord-Est CC BY 4.0 via Wikimedia).

For nearly five decades, more than 200,000 barrels of radioactive waste were dumped in the icy depths of the northeast Atlantic. Today, no one knows precisely where these barrels are located, or what kind of state they are in. On June 15, a French-led team of scientists will set sail from Brittany in a bid to map the barrels and assess their impacts on surrounding marine ecosystems…

It’s not just toxic chemicals. Radioactive waste was also dumped off Los Angeles coast – the Los Angeles Times

Sea Floor Sand (by Dimitris Siskopoulos from Alexandroupolis, Greece, CC BY 2.0 via Wikimedia).

For decades, a graveyard of corroding barrels has littered the seafloor just off the coast of Los Angeles. It was out of sight, out of mind — a not-so-secret secret that haunted the marine environment until a team of researchers came across them with an advanced underwater camera…Startling amounts of DDT near the barrels pointed to a little-known history of toxic pollution…but federal regulators recently determined that the manufacturer had not bothered with barrels. (Its acid waste was poured straight into the ocean instead.)…