Iron King Mine - Humboldt Smelter

Regulatory timeline

1. March 19, 2008Proposed for the NPL
2. September 3, 2008Established on the NPL (final listing)

Projected reinspection cycle

CERCLA requires a five-year review while hazards remain on site. These dates are projected from this site's cleanup timeline — they are estimates, not EPA-published dates. Check the site progress profile for the actual review schedule.

1. September 3, 2023Projected five-year review (reinspection), cycle 3
2. September 3, 2028Projected five-year review (reinspection), cycle 4
3. September 3, 2033Projected five-year review (reinspection), cycle 5

Official EPA records