Pacific Southwest, Region 9: Superfund
Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations
Sulphur Bank Mercury Mine
Superfund Site
Geothermal Removal Action AR
Administrative Record Index
To request copies of administrative record documents, an electronic order form is available.
The documents contained in this administrative record have been considered by the U.S. Environmental Protection Agency in identifying appropriate removal activities for Sulphur Bank Mercury Mine Superfund Site in Clearlake, CA.
The documents are listed in the index in ascending chronological order, which is consistent with the arrangement of documents in the administrative record.
The list of U.S. Environmental Protection Agency guidance documents which were considered or relied upon in the selection of the remedy is document AR 20 in this administrative record. Copies of the guidance documents are contained in the Compendium of CERCLA Response Selection Guidance Documents located in the Region 9 Superfund Records Center.
March 15, 2001
List of Abbreviations and Acronyms Used in Administrative Record Index
| Abbreviation | Meaning |
| attch(s) | Attachment(s) |
| CA | California |
| Co | Company |
| Dept | Department |
| Div | Division |
| encl(s) | Enclosure(s) |
| EPA | Environmental Protection Agency |
| ex | Exemption |
| FOIA | Freedom of Information Act |
| fr | From |
| Inc | Incorporated |
| info | Information |
| Memo | Memorandum |
| re | Regarding |
| rpt | Report |
| S | South |
| TL | Transmittal letter |
| US | United States |
| w/ | With |
| w/o | Without |
Administrative Record Index
| Doc Date | Subject | Author / Author Organization | Addressee / Addressee Organization | AR # | Doc ID |
| 1966/02/00 | Log & core record of geothermal energy well, Bradley Mining Co #1 - formations penetrated by well | Earth Energy, Inc | CA Dept of Conservation - Div of Oil & Gas | 0001 | 2142-90740 |
| 1967/00/00 | Index of geothermal well records for Bradley Mining Co #2 well (033-90007), w/attchs | CA Dept of Conservation - Div of Oil & Gas | - | 0002 | 2142-90739 |
| 1967/02/07 | Ltr: Information on Earth Energy wells, Bradley Mining #1 & #2, w/encls & related correspondence | Carel Otte / Earth Energy, Inc | R Barger / CA Dept of Conservation - Div of Oil & Gas | 0003 | 2142-00772 |
| 1973/03/20 | Geothermal well summary rpt for Sulphur Bank #1 well, w/encls | Marshall Reed / CA Dept of Conservation - Div of Oil & Gas | - | 0004 | 2142-00538 |
| 1980/09/22 | Geothermal well summary rpt for Sulphur Bank #1 - #15, w/o attchs | Joseph Beall / Phillips Petroleum Co | CA Dept of Conservation - Div of Oil & Gas | 0005 | 2142-90741 |
| 1991/03/05 | Rpt on proposed geothermal operations - proposal to reabandon Bradley Mining Co #1 well, w/attchs | Ken Stelling / CA Dept of Conservation - Div of Oil & Gas | James Luzier / Luzier Hydrosciences | 0006 | 2142-00766 |
| 1995/03/31 | Ltr: Request for updated status rpt - transmits excerpts fr "Audrey Geothermal Exploratory Project", w/attchs | Robert Reynolds / Lake County - Air Quality Management District | John Lucey / Environmental Protection Agency - Region 9 | 0007 | 2142-00542 |
| 1995/10/12 | Ltr: Clear Lake #1 geothermal well needs new plug, w/well summary rpt & maps | Carolyn d'Almeida / Environmental Protection Agency - Region 9 | Dennis Downs / Magma Power Co | 0008 | 2142-90442 |
| 1995/10/16 | Index of geothermal well records for Clear Lake #1 well (033-90008), w/attchs | CA Dept of Conservation - Div of Oil & Gas | - | 0009 | 2142-00771 |
| 1996/01/05 | Ltr: Response to 10/12/95 ltr re Clear Lake #1 geothermal well, w/TL header to K Stelling fr C d'Almeida | Vincent Signorotti / California Energy Co, Inc | Carolyn d'Almeida / Environmental Protection Agency - Region 9 | 0010 | 2142-90441 |
| 1997/04/09 | Memo: Sulfur Creek geothermal site (unit 15) preliminary conclusions re danger of accidental release of non-condensible gases | Tim Colen / Ecology & Environment, Inc | Bill Lewis / Environmental Protection Agency | 0011 | 2142-90734 |
| 1997/04/11 | Screening potential air quality impacts of selected accidental release scenarios originating fr abandoned S Geysers Unit 15 well field | Goddard & Goddard Engineering | Tim Colen / Ecology & Environment, Inc | 0012 | 2142-00767 |
| 2000/06/07 | Rpt on geothermal wells at site, w/TL to T Colen fr E Manges | Environmental Protection Agency - Region 9 | - | 0013 | 2142-00770 |
| 2000/06/09 | Memo: Wells viewed during site visit to Sulphur Bank mine did not appear to be abandoned in way described by state logs, w/attch | Tim Colen / Ecology & Environment, Inc | William Lewis / Environmental Protection Agency - Region 9 | 0014 | 2142-90736 |
| 2000/06/21 | Memo: Transmits Bradley Mining Co well info provided by Calpine, w/attchs | Ken Stelling / CA Dept of Conservation - Div of Oil, Gas & Geothermal Resources | William Weis / Environmental Protection Agency - Region 9 | 0015 | 2142-00768 |
| 2000/06/21 | Ltr: Ownership of wells in Sulphur Bank area, w/marginalia | Kenneth Stelling / CA Dept of Conservation | William Weis / Environmental Protection Agency - Region 9 | 0016 | 2142-90742 |
| 2000/07/06 | Action Memo: Request for removal action at Sulphur Bank geothermal site, w/maps & photos, w/o enforcement addendum | William Lewis / Environmental Protection Agency - Region 9 | Michael Feeley / Environmental Protection Agency - Region 9 | 0017 | 2142-00769 |
| 2000/07/06 | Enforcement addendum to action memo - request for removal action at Sulphur Bank geothermal site (Privileged - FOIA ex 5 & 7) | William Lewis / Environmental Protection Agency - Region 9 | Michael Feeley / Environmental Protection Agency - Region 9 | 0018 | 2142-00773 |
| 2000/08/02 | Handwritten Notes: Sulphur Bank wells history recap (Privileged - FOIA ex 5 & 7) | Kim Muratore / Environmental Protection Agency - Region 9 | - | 0019 | 2142-00774 |
| 2001/02/16 | List of US EPA guidance documents consulted during development & selection of response action for site | - | - | 0020 | 2142-90737 |
| 2001/02/28 | Public Notice: Availability of administrative record for removal action at site - geothermal well field | Environmental Protection Agency - Region 9 | - | 0021 | 2142-90738 |