Superfund explanation of significant difference of the Record of Decision (EPA Region 10): Commencement Bay, Nearshore/Tideflats, Operable Unit 01 -- sediments and Operable Unit 05 -- source, Pierce County, WA, July 28, 1997
Technical Report
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OSTI ID:673760
The purpose of this explanation of significant difference ESD is to modify the cleanup level for remediation of marine sediments contaminated with polychlorinated biphenyls (PCBs) at the Commencement Bay Nearshore/Tideflats (CB/NT) Superfund site. EPA`s September 30, 1989, Record of Decision (ROD) for the CB/NT Site established cleanup levels. With this ESD, EPA is modifying the PCB cleanup level to 450 micrograms/kg, to be achieved during cleanup, and the PCB level of 300 micrograms/kg, to be achieved 10 years after cleanup.
- Research Organization:
- Environmental Protection Agency, Office of Emergency and Remedial Response, Washington, DC (United States)
- OSTI ID:
- 673760
- Report Number(s):
- PB--97-963120/XAB; EPA--541/R-97/059
- Country of Publication:
- United States
- Language:
- English
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