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Click on the boxes in the flow-chart below to view documents from each phase of the process.
Public Involvement
Public Comment Documents
Documents for Review
Reference Documents
Public Notices
Fact Sheets
Public Involvement Plans
Other Public Involvement Documents
Site Investigation
Site Background and History
Historical Wells
RCRA Facility Assessment/Preliminary Assessment (RFA/PA)
RCRA Facility Investigation/Remedial Investigation (RFI/RI)
RFI/RI Volume 1
Groundwater
RCRA Facility Investigation/Remedial Investigation (RFI/RI)
RFI/RI Volume 2
Other Groundwater Documents
Arizona Groundwater Investigation
Groundwater and Surface Water Monitoring Plans
Groundwater and Surface Water Monitoring Reports
California Slant Wells
Miscellaneous Documents
Bedrock Investigations
East Ravine Investigation
Other Groundwater Studies
Pore Water and Seepage Study
Chromium Isotope Study
Background Study
TW-01 Aquifer Test
Soil
RCRA Facility Investigation/Remedial Investigation (RFI/RI)
Risk Assessment
Groundwater
Risk Evaluation Reports
Risk Assessment Work Plan
Other Risk-Related Documents
Soil
Risk Assessment Work Plan
Risk Assessment Reports
Cleanup Alternatives
Groundwater
CMS/FS Report
Core Testing
Groundwater Evaluations and Modeling
In-Situ Pilot Studies
Floodplain
Upland
Other Documents
Remedy Selection
Groundwater
Decision Documents
Statement of Basis
Proposed Plan
Record of Decision
CEQA/EIR
EIR Notice of Preparation and Fact Sheet
EIR Scoping Meeting Comments
EIR Documents
EIR Mitigation Measures Compliance Reports
CEQA-Related Studies
CEQA Documents for Interim Measures
CEQA Documents for In-Situ Studies
CEQA Other (Non-EIR) Documents
Public Comments
Remedy Decisions
Cleanup Implementation
Groundwater
Annual SWPPP Reports
Approvals and Communications
Five-Year Review
Remedy Design
Remedial Design Documents
Remedial Action Work Plan
Other Remedial Design/Remedial Action Documents
Construction Documents
Monthly Progress Reports
Programmatic Health and Safety Plan
Operation and Maintenance Documents
Others
Other and Environmental Impact Review
Sitewide
Approval Letters and Communications
Agreements
DTSC Site Designation Annual Reports
2000-2005
2005-2010
2010-Present
Biological Reports
Other
Groundwater
CEQA/SEIR
Final Subsequent EIR
Final SEIR Addendum
Appendix BOD
CEQA/EIR
Subsequent EIR
Subsequent EIR Notice of Preparation
EIR Notice of Preparation and Fact Sheet
EIR Scoping Meeting Comments
EIR Documents
EIR Mitigation Measures Compliance Reports
CEQA Documents for Interim Measures
CEQA Documents for In-Situ Studies
CEQA Other (Non-EIR) Documents
Public Comments
Remedy Decisions
Approval Letters and Communications
Interim Measures (IM)
IM-1
IM-2 Batch Treatment System Planning, Operations, and Monitoring
IM-3 Treatment System Planning
IM-3 Injection Area Characterization
IM-3 Treatment System Construction
IM-3 Treatment System Operations and Performance Monitoring
IM-3 WDR Reports and Compliance Monitoring
Soil
CEQA/EIR
EIR Notice of Preparation and Fact Sheet
EIR Documents
Approval Letters and Communications
Time Critical Removal Action
Non-Time Critical Removal Action
Project Schedule
Current Project Schedule
Former Project Schedule
IM-2 Batch Treatment System Planning, Operations, and Monitoring
Type
Download
Title
Publish Date
Size
Click to Download
Submittal of Closure Report for Interim Measures No. 2 PG&E Topock Compressor Station, BLM Groundwater Batch Treatment System Needles, California
June 2, 2009
2.49 MB
Click to Download
Batch Treatment Facility Decommissioning Work Plan, PG&E Topock Compressor Station, Needles, California
May 31, 2007
2.51 MB
Click to Download
Interim Measures No. 2, Batch Treatment Facility Decommissioning Activities Update - Tanks and Equipment Decommissioning and Lay-Up and Removal of Support Facilities
March 29, 2006
1.43 MB
Click to Download
Fourth Quarter 2005 and Annual Performance Monitoring Evaluation Interim Measures Performance Monitoring Program
March 15, 2006
13.21 MB
Click to Download
Discontinuation of IM2 Batch Treatment Operations
September 6, 2005
912.79 KB
Click to Download
Draft Well 20 Bench Decommissioning Work Plan
August 8, 2005
2.1 MB
Click to Download
IM2 Batch Treatment Plant Spill Event April 10, 2005, Event and Cleanup Report
August 5, 2005
1.21 MB
Click to Download
IM2 Floodplain Area Performance Monitoring Report for June 2005
July 15, 2005
2.63 MB
Click to Download
Groundwater Elevation and Hydraulic Gradient Error Analysis IM No. 2 (Copy)
June 23, 2005
1.14 MB
Click to Download
Spill Event April 10, 2005 Background Sample Depth Profile Results
June 23, 2005
526.32 KB
Click to Download
Spill Event April 10, 2005 Background Sample Depth Profile Results
June 23, 2005
526.32 KB
Click to Download
IM2 Floodplain Area Performance Monitoring Report for May 2005
June 15, 2005
3.47 MB
Click to Download
IM2 Floodplain Area Performance Monitoring Report for April and First Quarter 2005
May 31, 2005
4.21 MB
Click to Download
Spill Event April 10, 2005 Preliminary Results Confirmation Sampling
April 29, 2005
285.25 KB
Click to Download
Interim Measures Extraction System Operation and Maintenance Plan
April 22, 2005
4.1 MB
Click to Download
Spill Event April 10, 2005 Confirmation Sampling Workplan
April 22, 2005
588.2 KB
Click to Download
Draft Performance Monitoring Plan for Interim Measures in Floodplain Area (Copy)
April 15, 2005
3.53 MB
Click to Download
Authorization Request for MW-20 Bench Pump and Treat Operations Extension
April 8, 2005
208.77 KB
Click to Download
Final Extraction Well Installation Work Plan - March 15, 2005
March 15, 2005
2.44 MB
Click to Download
Performance Monitoring Report No. 15 - March 15, 2005
March 15, 2005
2.83 MB
Click to Download
Performance Monitoring Report No. 14 - February 15, 2005
February 15, 2005
3.08 MB
Click to Download
Contingency Planning Sentry Well Groundwater Monitoring - February 2005
February 1, 2005
287.52 KB
Click to Download
Performance Monitoring Report No. 13, Interim Measures No. 2
January 15, 2005
3.93 MB
Click to Download
Performance Monitoring Report No. 12, Interim Measures No. 2
December 15, 2004
3.45 MB
Click to Download
Performance Monitoring Report No. 11, Interim Measures No. 2
November 15, 2004
6.72 MB
Click to Download
Performance Monitoring Report No. 10, Interim Measures No. 2
October 15, 2004
1.36 MB
Click to Download
Performance Monitoring Report No. 9, Interim Measures No. 2
September 15, 2004
1.63 MB
Click to Download
Performance Monitoring Report No. 8, Interim Measures No. 2
August 15, 2004
1.61 MB
Click to Download
Performance Monitoring Report No. 7, Interim Measures No. 2
July 15, 2004
2.37 MB
Click to Download
Performance Monitoring Report No. 6, Interim Measures No. 2
July 1, 2004
4.12 MB
Click to Download
Performance Monitoring Report No. 5, Interim Measures No. 2
June 15, 2004
1.9 MB
Click to Download
Performance Monitoring Report No. 4, Interim Measures No. 2
June 1, 2004
2.06 MB
Click to Download
Performance Monitoring Report No. 3, Interim Measures No. 2
May 15, 2004
1.43 MB
Click to Download
Batch Treatment Workplan (Interim Measures No. 2)
April 30, 2004
1020.42 KB
Click to Download
Performance Monitoring Report No. 2, Interim Measures No. 2
April 30, 2004
2.11 MB
Click to Download
Performance Monitoring Report No. 1, Interim Measures No. 2
April 15, 2004
33.02 MB
Click to Download
Sampling Plan Supplement, Interim Measures Drilling Program
April 13, 2004
1.17 MB
Click to Download
Final Interim Measures No. 2 Workplan
March 2, 2004
2.04 MB
Click to Download
Addenda to Interim Measures No. 2 Workplan
March 1, 2004
5.26 MB
Click to Download
CEQA Notice of Exemption for Interim Measures No. 2
February 10, 2004
131.31 KB