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.
Biological Reports
| Type | Download | Document Name | Publish Date | Size |
|---|---|---|---|---|
 |
Click to Download | Technical Memorandum: Status of the Transplantation Effort and Recommendations for Future Transplantation Efforts, Topock Groundwater Remedy | April 30, 2020 | 202.22 KB |
|
|
Click to Download | Final Technical Memorandum: PG&E Topock Photo Documentation Plan | May 24, 2018 | 8.56 MB |
|
|
Click to Download | Addendum to Pacific Gas and Electric Company's Topock Groundwater Remediation Project Pre-Construction Floristic Survey Report - Late Season Survey 2017 | March 5, 2018 | 1.09 MB |
|
|
Click to Download | 2017 Southwestern Willow Flycatcher Presence/Absence Surveys for the PG&E Topock Compressor Station | October 31, 2017 | 9.62 MB |
|
|
Click to Download | Topock Groundwater Remediation Project Pre-Construction Floristic Survey Report – Spring 2017 | October 31, 2017 | 4.74 MB |
|
|
Click to Download | Biological Resources Completion Report for the Topock Remediation Project: Soil Investigation between 2015 and 2017 | June 23, 2017 | 6.33 MB |
|
|
Click to Download | Soil RCRA Facility Investigation/Remedial Investigation Riparian and Sensitive Habitat Impact Evaluation, Topock Compressor Station, California | May 26, 2017 | 4.79 MB |
|
|
Click to Download | 2015 Western Yellow-Billed Cuckoo Presence / Absence Surveys for the PG&E Topock Compressor Station | November 30, 2015 | 6.89 MB |
|
|
Click to Download | Topock Compressor Station Summer Roosting Bat Surveys and Potential Project Impacts Final Report | November 5, 2015 | 3.21 MB |
|
|
Click to Download | Desert Tortoise Habitat Survey, Topock Compressor Station Evaporation Ponds and Access Roadway | April 2, 2015 | 1.35 MB |
|
|
Click to Download | Preliminary Habitat Analysis for Bat Use at PG&E Topock Remediation Project, San Bernardino County, California | March 2, 2015 | 241.68 KB |
|
|
Click to Download | Assessment of Potential Impacts to Four Special-Status Species for Soil Environmental Impact Report Investigation and Final Groundwater Remedy Areas, Topock Compressor Station, California | February 11, 2015 | 7.21 MB |
|
|
Click to Download | Western Yellow-Billed Cuckoo Presence/Absence Surveys for the PG&E Topock Compressor Station | December 22, 2014 | 4.65 MB |
|
|
Click to Download | Southwestern Willow Flycatcher Presence/Absence Surveys for the PG&E Topock Compressor Station | October 29, 2014 | 7.48 MB |
|
|
Click to Download | Biological Resources Completion Report for the Topock Remediation Project: Evaluation of Alternative Freshwater Sources, PG&E Topock Compressor Station, Needles, California | September 11, 2014 | 6.58 MB |
|
|
Click to Download | Biological Completion Report for the Topock Remediation Project: Utility Potholing, PG&E Topock Compressor Station, Needles, California | August 8, 2014 | 3.3 MB |
|
|
Click to Download | Biological Resources Completion Report for MW-38 Repair and Excavation of Abandoned Well TCS-4, PG&E Topock Compressor Station, Needles, California | June 3, 2014 | 1.93 MB |
|
|
Click to Download | Addendum to the January 2012 Mature Plant Report for the Topock Compressor Station Final Groundwater Remedy | May 19, 2014 | 6.28 MB |
|
|
Click to Download | Riparian Vegetation and California Department of Fish and Wildlife Jurisdiction for the Topock Compressor Station Groundwater Remediation Project, San Bernardino County, California | May 9, 2014 | 8.42 MB |
|
|
Click to Download | Final Bird Impact Avoidance and Minimization Plan, Topock Groundwater Remediation Project | April 30, 2014 | 1.72 MB |
|
|
Click to Download | Programmatic Biological Assessment for Pacific Gas and Electric Topock Compressor Station Final Groundwater Remedy | April 28, 2014 | 4.79 MB |
|
|
Click to Download | Wetlands and Waters of the United States, Final Delineation for the Topock Compressor Station Groundwater Remediation Project, San Bernardino County, California | April 18, 2014 | 51.26 MB |
|
|
Click to Download | Supplemental Ethnobotanical Plant Surveys for the Pacific Gas and Electric Company's Topock Compressor Station, San Bernardino County, California | February 28, 2014 | 646.14 KB |
|
|
Click to Download | Revised Final Topock Groundwater Remediation Project Ethnobotany Survey Report | January 15, 2014 | 5.43 MB |
|
|
Click to Download | Biological Resources Completion Report for Utility Potholing - PG&E Topock Compressor Station, Needles, California | January 14, 2014 | 5.12 MB |
|
|
Click to Download | Revised Final Topock Groundwater Remediation Project Floristic Survey Report, PG&E Topock Compressor Station, Needles, California | December 30, 2013 | 9.21 MB |
|
|
Click to Download | Desert Tortoise Presence/Absence Surveys for the PG&E Topock Arizona Freshwater Sites | October 17, 2013 | 1.72 MB |
|
|
Click to Download | Cumulative Project Footprint Update (2010-2012) for Field Work Performed in Accordance with the Programmatic Biological Assessment for the Pacific Gas and Electric Company Topock Compressor Station | October 11, 2013 | 115.31 KB |
|
|
Click to Download | Biological Resources Completion Report for the Geophysical Survey - Topock Compressor Station Groundwater Investigation, Topock Compressor Station, Needles, California | September 1, 2013 | 1.48 MB |
|
|
Click to Download | Wetlands and Water of the United States, Delineation for the Topock Compressor Station Groundwater Remediation Project, San Bernardino County, California | August 22, 2013 | 34.6 MB |
|
|
Click to Download | Figures to the Wetlands and Water of the United States, Delineation for the Topock Compressor Station Groundwater Remediation Project, San Bernardino County, California | August 12, 2013 | 17.15 MB |
|
|
Click to Download | 2012 Focused Survey for the Yuma Clapper Rail and California Black Rail at the Pacific Gas and Electric Groundwater Remediation Project Site, Needles, California | March 29, 2013 | 2.64 MB |
|
|
Click to Download | 2012 Southwestern Willow Flycatcher Presence/Absence Surveys for the PG&E Topock Compressor Station | December 31, 2012 | 8.55 MB |
|
|
Click to Download | Extension and Modification of the Programmatic Biological Assessment for Pacific Gas and Electric Topock Compressor Station Remedial and Investigative Actions, January 2007 - December 2012 | December 31, 2012 | 176.49 KB |
|
|
Click to Download | Biological Resources Completion Report for the East Ravine – Topock Compressor Ravine – Topock Compressor Station Groundwater Investigation, PG&E Topock Compressor Station, Needles, California | December 14, 2012 | 2.86 MB |
|
|
Click to Download | Biological Resources Completion Report for AOC 4 Removal Action, Topock Compressor Station, Needles, California | February 24, 2011 | 5.62 MB |
|
|
Click to Download | Southwestern willow flycatcher presence/absence surveys for PG&E Topock Compressor Station | September 1, 2010 | 5.29 MB |
|
|
Click to Download | Cumulative Project Footprint Update (2007-2009) For Field Work Authorized Under MSAA No. 1600-2005-0140-R6, Topock Compressor Station, Needles, California | February 24, 2010 | 73.72 KB |
|
|
Click to Download | Cumulative Project Footprint Update (2007-2009) for Field Work Performed in Accordance with Programmatic Biological Assessment for Pacific Gas and Electric Company Topock Compressor Station (Consultation Reference: AESO/SE 22410-2006-I-0333, 8 Feb 2007) | February 24, 2010 | 100.44 KB |
|
|
Click to Download | Proposed Frequency Modifications for Protocol Surveys Performed in accordance with the Programmatic Biological Assessment for PG&E Topock Compressor Station, Needles, California | February 24, 2010 | 60.35 KB |
|
|
Click to Download | 2009 Southwestern Willow Flycatcher Presence/Absence Surveys for the PG&E Topock Compressor Station | September 28, 2009 | 5.1 MB |
|
|
Click to Download | 2009 Desert Tortoise Presence/Absence Survey Report for the PG&E Topock Compressor Station, Needles, California | September 24, 2009 | 5 MB |
|
|
Click to Download | Biological Resources Completion Report for the East Ravine Groundwater Investigation, Topock Compressor Station Needles, California | September 22, 2009 | 3.86 MB |
|
|
Click to Download | Biological Resources Completion Report for the Soil Investigation Project, PG&E Topock Compressor Station, Needles, California | December 23, 2008 | 3.47 MB |
|
|
Click to Download | Southwestern Willow Flycatcher Presence/Absence Surveys for the PG&E Topock Compressor Station | September 18, 2008 | 1.7 MB |
|
|
Click to Download | Desert Tortoise Presence/Absence Survey Report for 2008, PG&E Topock Compressor Station, Needles, California Executive Summary | July 11, 2008 | 196.96 KB |
|
|
Click to Download | Desert Tortoise Presence/Absence Surveys (Garcia and Associates) - Final | July 11, 2008 | 4 MB |
|
|
Click to Download | Biological Resources Completion Report for the Arizona Drilling Project: PG&E Topock Compressor Station, Needles, California | June 18, 2008 | 1.1 MB |
|
|
Click to Download | Biological Resources Completion Report for CA Slant Drilling Project: Topock Compressor Station | May 29, 2008 | 10.34 MB |
|
|
Click to Download | Biological Resources Completion report for the Upland In-Situ Pilot Test and Associated Activities: PG&E Topock Compressor Station, Needles, California | April 23, 2008 | 1.13 MB |
|
|
Click to Download | Southwestern Willow Flycatcher Presence/Absence Surveys (Garcia and Associates) - with Appendices | September 17, 2007 | 6.86 MB |
|
|
Click to Download | Desert Tortoise Presence/Absence Surveys (Garcia and Associates) | July 6, 2007 | 633.88 KB |
|
|
Click to Download | Final Programmatic Biological Assessment for Pacific Gas and Electric Company Topock Compressor Station Remediation and Investigative Actions | March 6, 2007 | 25.28 MB |
|
|
Click to Download | Topock Compressor Station Southwestern Willow Flycatcher Survey Report, Garcia and Associates, August 2006 | August 1, 2006 | 9.11 MB |
|
|
Click to Download | Topock Compressor Station Desert Tortoise Presence/Absence Survey Report, Garcia and Associates, July 2006 | July 13, 2006 | 3.25 MB |
|
|
Click to Download | Biological Resources Compliance Report for the IMPM Program: Topock Compressor Station Expanded Groundwater Extraction and Treatment System Needles, California | June 19, 2006 | 2.57 MB |
|
|
Click to Download | Notification of Emergency Stream Alteration Work - February 17, 2006 | June 1, 2006 | 159.66 KB |
|
|
Click to Download | Notification Number 1600-2005-0140-R6 | May 1, 2006 | 122.39 KB |
|
|
Click to Download | Site Access and Sampling Procedures for Groundwater Monitoring Wells Located Near Potential Southwestern Willow Flycatcher Habitat, Rev. 3 | April 20, 2006 | 1.14 MB |
|
|
Click to Download | Topock Construction Activities - Biological Resources Completion Report for the PE-1 Pipeline and Floodplain In-situ Pilot Study | March 28, 2006 | 30.22 MB |
|
|
Click to Download | Biological Assessment for the Pacific Gas and Electric Topock Compressor Station Remedial and Investigative Actions (PE-1 pipeline and In-Situ Floodplain) | November 4, 2005 | 4.99 MB |
|
|
Click to Download | Biological Resources Survey Report for the Area of Potential Effect | October 12, 2005 | 484.37 KB |
|
|
Click to Download | Biological Resources Completion Report for Interim Measures No. 3: Topock Compressor Station Expanded Groundwater Extraction and Treatment System | September 27, 2005 | 3.33 MB |
|
|
Click to Download | Land Use Area Subject to Groundwater Well Installation Biological Resource Monitoring Report - Completion Report | April 18, 2005 | 4.46 MB |
|
|
Click to Download | Final Biological Resources Investigations for Interim Measures No. 3 | September 1, 2004 | 13.25 MB |