Participating PRP
Participating PRP is any potentially responsible party who has agreed, pursuant to 304.21 of this part, to submit one or more issues arising in an EPA claim for resolution pursuant to the procedures established by this part.
Source
40 CFR § 304.12
Scoping language
Terms not defined in this section have the meaning given by section 101 of CERCLA, 42 U.S.C. 9601, or the National Oil and Hazardous Substances Pollution Contingency Plan, 40 CFR part 300. All time deadlines in this part are specified in calendar days and shall be computed in the manner described in Rule 6 of the Federal Rules of Civil Procedure.