by: Duane Craig
The Environmental Protection Agency
reached an agreement with four companies to get the Montrose and Del Amo
Superfund sites cleaned up in Torrance, Calif., according to an EPA press
release.
This agreement continues the process of closing the
contamination books on these notorious sites polluted with monochlorobenzene, a
raw material used in making DDT, as well as benzene, naphthalene and ethyl
benzene. The two sites are adjacent to one another. Owners of the Montrose site
made DDT from 1947 until 1982 while the Del Amo site was a rubber manufacturing
facility.
The four companies will build and operate a groundwater
treatment system that will pull and treat 700 gallons of water each minute.
That equals a million gallons a day. Shell started cleaning up the Del Amo site
in 1999 when it put impermeable caps on waste pits and set up a soil vapor
extraction system. Over the years, DDT-contaminated soils have been removed
from local neighborhoods as well. The cost of the new actions is expected to be
a little more than $14 million, with construction of the water treatment
facility taking 18 months.
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