Toxic Waste Dump Site More Than Twice the Size of Manhattan Discovered in Pacific Ocean

PBS News Hour

This PBS News Hour investigation gives a good overview of the massive underwater toxic waste site off the Southern California shore. Between the 1940s and 1970s industrial companies used the ocean as a dumping ground. Marine scientists have identified over 25,000 barrels, and possibly as many as 100,000 barels, that hey believe contain the toxic chemical"DDT." UC Santa Barbara professor David Valentine, talks about these poisonous barrels.