EPA Still Debating DDT Cleanup Plans for Palos Verdes Shelf

The EPA is still studying plans to cleanup a deposit of DDT that lays in 200 feet of water off of the coast of the Palos Verdes Peninsula. The current plans, estimated to cost approx. $36 million, would put an 18 iinch “cap” of clean soil on top of the estimated 100 tons of DDT. The funds earmarked for the cleanup comes from a $140 million settlement in 1990 with Montrose Chemical, a company that manufactured DDT in the South Bay and dumped residue into sewer outfalls that emptied off of the Palos Verdes coastline.

The EPA had previously tested placing a cap on a smaller area with mixed results. The EPA proposal includes placing a cap of silt and sand over the most contaminated 320 acres. Critics of the plan claim it is not extensive enough and are proposing a $76 million plan to cap approx. 640 acres. EPA officials have stated that the DDT is breaking down into less harmful chemicals at a faster than anticipated rate and are not sure why this is happening. Public hearings on the EPA’s plans will take place from June 23 to 25.

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