Previous Remediation Efforts In December 1984, soil excavation removed approximately 150 cubic yards of contaminated soil. In Septem- ber 1985, an additional 1000 to 2000 cubic yards contaminated soil was excavated and stockpiled on-site. Storm water run-on or run-off controls were not instituted for the stockpiled soil. In addition, the excavation pit was not backfilled until May 1988, when soil was replaced in the excavation. The soil r

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