Superfund Process National Priorities List (NPL) Procedures.

7
Superfund Process National Priorities List (NPL) Procedures

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

Page 1: Superfund Process National Priorities List (NPL) Procedures.

Superfund Process

National Priorities List (NPL) Procedures

Page 2: 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)

Page 3: Superfund Process National Priorities List (NPL) Procedures.

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

Page 4: Superfund Process National Priorities List (NPL) Procedures.

NPL Process

Health advisory issued by ATSDR – rare occasion

State requests listing – initial one time request; PA has previously utilized request

Page 5: Superfund Process National Priorities List (NPL) Procedures.

NPL Process

Site Assessment Process

– Preliminary Assessment (PA)

– Site Inspection (SI)– PA Score– Pre-score

Page 6: Superfund Process National Priorities List (NPL) Procedures.

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

Page 7: Superfund Process National Priorities List (NPL) Procedures.

NPL Process

Final NPL site – Remedial Investigation/Feasibility Study

Removal Program activities – Immediate response to a site