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All Notices of Intent for Partial Deletion for California Gulch

This page contains links to the following Federal Register Notices of Intent for Partial Deletion involving partial site deletions of the California Gulch Superfund Site:

10411 - 10412 Federal Register (PDF)(2 pp, 161 K, About PDF) / Vol. 66, No. 32 / Thursday, February 15, 2001 / Proposed Rules
Proposed Rule; Notice of intent to partially delete OU10 of the California Gulch Superfund Site from the National Priorities List.

28141 Federal Register (PDF)(1 pg, 156 K, About PDF) / Vol. 66, No. 99 / Tuesday, May 22, 2001 / Proposed Rules
Proposed Rule; Notice of intent to partially delete OU2 of the California Gulch Superfund Site from the NPL.

7657 Federal Register (PDF)(1 pg, 157 K, About PDF) / Vol. 67, No. 34 / Wednesday, February 20, 2002 / Proposed Rules
Proposed Rule; Notice of intent to partially delete subunits A and B, residential waste rock piles, and parks and playgrounds within OU9 of the California Gulch Superfund Site from the National Priorities List.

58575 - 58576 Federal Register (PDF)(2 pp, 136 K, About PDF) / Vol. 74, No. 218 / Friday, November 13, 2009 / Proposed Rules
Proposed Rule; Notice of intent to partially delete OU8 of the California Gulch Superfund Site from the NPL.

30081 - 30082 Federal Register (PDF)(2 pp, 150 K, About PDF) / Vol. 76, No. 100 / Tuesday, May 24, 2011 / Proposed Rules
Proposed Rule; Notice of intent to partially delete the remaining portions of OU9 of the California Gulch Superfund Site from the NPL.

47043 - 47044 Federal Register (PDF)(2 pp, 198 K, About PDF) / Vol. 79, No. 155 / Tuesday, August 12, 2014 / Proposed Rules
Proposed Rule; Notice of intent to partially delete OU4 (Upper California Gulch), OU5 (ASARCO Smelters/Slag/Mill Sites), OU7 (Apache Tailing Impoundments) of the California Gulch Superfund Site from the NPL.

6827 Federal Register (PDF)(1 pg, 165 K, About PDF) / Vol. 81, No. 26 / Tuesday, February 9, 2016 / Proposed Rules
Proposed Rule; Notice of intent to partially delete OU1 (Yak Tunnel/Water Treatment Plant) and OU3 (Denver & Rio Grande Western
Railroad Company (D&RGW) Slag Piles/Railroad Easement/Railroad Yard) of the California Gulch Superfund Site from the NPL.

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Last updated on March 11, 2025
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