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Superfund Process. National Priorities List (NPL) Procedures. NPL Process. Site Assessment Program Referral to Removal Program NPL Referral to State: VCP or similar program Referral to other Agency Program, i.e., NRC No Further Remedial Action Planned (NFRAP). NPL Process. NPL Sites
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Superfund Process National Priorities List (NPL) Procedures
NPL Process • Site Assessment Program • Referral to Removal Program • NPL • Referral to State: VCP or similar program • Referral to other Agency Program, i.e., NRC • No Further Remedial Action Planned (NFRAP)
NPL Process • NPL Sites • Subject to CERCLA • Will affect air, soil, surface water, or groundwater • Identified source • Human health or environment affected • Threshold number, or score, equal to or greater than 28.5
NPL Process • Health advisory issued by ATSDR – rare occasion • State requests listing – initial one time request; PA has previously utilized request
NPL Process • Site Assessment Process • Preliminary Assessment (PA) • Site Inspection (SI) • PA Score • Pre-score
NPL Process • Hazard Ranking System (HRS) • HRS package development: Some items included • Population: ¼ mile – 4 miles • Sampling data • Viable owners • NPL proposal • NPL final
NPL Process • Final NPL site – Remedial Investigation/Feasibility Study • Removal Program activities – Immediate response to a site