This page contains links to the following Federal Register Notices involving partial site deletions of California Gulch:

10367 - 10371 Federal Register (PDF)(5 pp, 175 K, About PDF) / Vol. 66, No. 32 / Thursday, February 15, 2001 / Rules and Regulations; Effective April 16, 2001
Partial direct final deletion of OU10 of the California Gulch Superfund Site from the National Priorities List (NPL).

28106 - 28110 Federal Register (PDF)(5 pp, 177 K, About PDF) / Vol. 66, No. 99 / Tuesday, May 22, 2001 / Rules and Regulations; Effective July 23, 2001
Partial direct final deletion of OU2 of the California Gulch Superfund Site from the National Priorities List (NPL).

7614 - 7617 Federal Register (PDF)(4 pp, 171 K, About PDF) / Vol. 67, No. 34 / Wednesday, February 20, 2002 / Rules and Regulations; Effective April 22, 2002
Direct final partial deletion of subunits A and B, residential waste rock piles, and the parks and playgrounds within OU9 of the California Gulch Superfund Site from the National Priorities List (NPL).

58554 - 58560 Federal Register (PDF)(7 pp, 156 K, About PDF) / Vol. 74, No. 218 / Friday, November 13, 2009 / Rules and Regulations; Effective January 12, 2010
Direct final partial deletion of OU8 of the California Gulch Superfund Site from the National Priorities List (NPL).

58404 - 58405 Federal Register (PDF)(2 pp, 145 K, About PDF) / Vol. 76, No. 183 / Wednesday, September 21, 2011 / Rules and Regulations
Partial deletion of the remaining portions of OU9 of the California Gulch Superfund Site from the National Priorities List (NPL).

63540 Federal Register (PDF)(1 pg, 189 K, About PDF) / Vol. 79, No. 206 / Friday, October 24, 2014 / Rules and Regulations
Partial deletion of OU4 (Upper California Gulch), OU5 (ASARCO Smelters/Slag/Mill Sites), OU7 (Apache Tailing Impoundments) of the California Gulch Superfund Site from the National Priorities List (NPL).

6768-6775 Federal Register (PDF)(8 pp, 245 K, About PDF) / Vol. 81, No. 26 / Tuesday, February 9, 2016 / Rules and Regulations
Partial deletion of 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 National Priorities List (NPL).