Supplementary Information
The following presents supplementary information on hazardous waste sites and the NPL site listing process:
- NPL Home
- Basic NPL Information
- NPL Site Status
- Federal Register Notices for NPL Updates
- NPL Guidance/Policy Documents
- HRS Toolbox
- HRS Subsurface Intrusion Component
NPL Sites Not Listed Based on the Hazard Ranking System (HRS)
- State-Designated Top-Priority National Priorities List (NPL) Sites
- Agency for Toxic Substances and Disease Registry (ATSDR) National Priorities List (NPL) Sites
State/Tribal Correspondence and NPL Site Listing
- State/Tribal Correspondence Concerning NPL Site Listing
- Model NPL Request Letter to Governor (PDF)(2 pp, 19 K, About PDF)
Information on Sites on the Interim Priorities List (IPL) and Expanded Eligibility List (EEL)
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