Between 1948 and 1961, barges laden with industrial waste, including high concentrations of once-ubiquitous agricultural insecticide, Dichlorodiphenyltrichloroethane (DDT), were indiscriminately discharged into the Pacific Ocean. An estimated 100 tons of DDT contaminate the ocean floor off Palos Verdes. Decades after its ban, the insidious legacy of DDT , still haunts the depths off the coast
