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Guidance: Enforcement First at Superfund Sites: Negotiation and Enforcement Strategies for RI/FS

Memorandum confirms EPA’s commitment to have potentially responsible parties (PRPs) conduct the Remedial Investigation / Feasibility Study (RI/FS) wherever appropriate. To achieve this goal, EPA encourages Regions to conduct early and thorough PRP searches and to consider carefully whether it is appropriate for the identified PRPs to conduct the RI/FS. Issued 8/9/2005.
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