Click on the boxes in the flow-chart below to view documents from each phase of the process.
Important Notice Accessibility of Older Documents Expires After December 30, 2020
All documents published before January 1, 2020 will no longer be accessible on this website after December 30, 2020. After December 30, 2020 all older documents can be accessed through the project repositories or by direct request to California Department of Toxic Substances Control.
East Ravine Investigation
| Type | Download | Document Name | Publish Date | Size |
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Click to Download | DTSC Approval of Revised Approach to GW Sample Collection from Packed Boreholes, PG&E Topock Compressor Station, Needles, California | April 1, 2011 | 53.33 KB |
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Click to Download | DOI Approval of Revised Approach to GW Sample Collection from Packed Boreholes, PG&E Topock Compressor Station, Needles, California | March 31, 2011 | 65.57 KB |
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Click to Download | DTSC Response to Additional Historic photos, PG&E Topock Compressor Station, Needles, California | March 21, 2011 | 323.19 KB |
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Click to Download | DOI Acceptance of PG&E Topock Compressor Station Remediation Site – Tech Memo entitled Final Revised Implementation Plan for Repair of Monitoring Wells MW-38S and MW-38D and Old Well/Pipe Reconnaissance, PG&E Topock Compressor Station, Needles, California | February 25, 2011 | 87.69 KB |
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Click to Download | Final Revised Implementation Plan for Repair of Monitoring Wells MW-38S and MW-38D and Old Well/Pipe Reconnaissance, PG&E Topock Compressor Station, Needles, California | February 11, 2011 | 1.11 MB |
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Click to Download | DOI Response to PG&E Topock Compressor Station Remediation Site – Revised Addendum to the Revised Work Plan for East Ravine Groundwater Investigation, PG&E Topock Compressor Station, Needles, California | February 4, 2011 | 64.05 KB |
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Click to Download | Response from Office of Historic Preservation to Work Plan Addendum for the East Ravine Investigation-Topock Remediation Project: BLM101025A, PG&E Topock Compressor Station, Needles, California | January 21, 2011 | 29.18 KB |
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Click to Download | DTSC acceptance of the Revised Implementation Plan for Packer Evaluation of the MW‐64BR Borehole, PG&E Topock Compressor Station, Needles, California | December 16, 2010 | 49.71 KB |
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Click to Download | DTSC and Stakeholder responses to the East Ravine and TCS Work Plan Addendum, PG&E Topock Compressor Station, Needles, California | December 16, 2010 | 3.16 MB |
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Click to Download | Revised Addendum to the Revised Work Plan for East Ravine Groundwater Investigation, PG&E Topock Compressor Station, Needles, California | December 16, 2010 | 3.23 MB |
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Click to Download | Revised Implementation Plan for Packer Evaluation of the MW-64BR Borehole, PG&E Topock Compressor Station, Needles, California | December 16, 2010 | 656.42 KB |
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Click to Download | Revised East Ravine Work Plan | July 11, 2008 | 13.61 MB |
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Click to Download | Responses to Comments on the Work Plan for East Ravine Groundwater Investigation, PG&E Topock Compressor Station, Needles, CA | February 1, 2008 | 1.63 MB |
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Click to Download | Work Plan for East Ravine Groundwater Investigation, PG&E Topock Compressor Station, Needles, California | December 11, 2007 | 4.53 MB |