Superfund Process National Priorities List (NPL) Procedures.

Post on 19-Jan-2016

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Transcript of Superfund Process National Priorities List (NPL) Procedures.

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