Monterey MGP Substation Remediation - Soil Feasibility Study and Remedial Action Plan

2 Documents in Project

Summary

SCH Number
2021010007
Lead Agency
Department of Toxic Substances Control
Document Title
Monterey MGP Substation Remediation - Soil Feasibility Study and Remedial Action Plan
Document Type
NEG - Negative Declaration
Received
Present Land Use
Commercial
Document Description
The Feasibility Study/Remedial Action Plan identifies the selected remedy to address impacts to soil and groundwater from previous operations at the Site. The soil constituents of potential concern included polycyclic aromatic hydrocarbons, total petroleum hydrocarbons, volatile organic compounds, heavy metals, and cyanide. In addition, polychlorinated biphenyls, which are not related to MGP operations, were later detected in soils.The selected remedy consists of excavated of impacted soils within the project area and off-Site disposal. The excavated soil will require loading into trucks, possible stockpiling, and ultimately off-site disposal at a permitted disposal facility. Upto 10,000 cubic yards of impacted soils will. This soil will be hauled off-site in approximately 700 truckloads. An equivalent volume of clean soil will be imported for use as backfill. Soil gas confirmation sampling will also be conducted following completion of the remedy from temporary soil gas wells installed at the time of Site restoration, or at a later date. New groundwater monitoring wells will also be installed. Following remediation, the Site will be restored to previous conditions and monitoring will be performed. Institutional controls in the form of a land use covenant will be placed on all parcels within the Site to prohibit groundwater use and sensitive land uses (e.g., single family residences, schools, day care centers) because residual impacts will continue to exist above levels acceptable for unrestricted use of the Site.

Contact Information

Name
Sagar Bhatt
Agency Name
Department of Toxic Substances Control
Contact Types
Lead/Public Agency

Name
Agency Name
Pacific Gas and Electric Company
Contact Types
Project Applicant

Location

Cities
Monterey
Counties
Monterey
Regions
Citywide, Countywide
Cross Streets
Del Monte Avenue and Figueroa Street
Zip
93940
Total Acres
0.6
Parcel #
001-706-005-000

Notice of Completion

Review Period Start
Review Period End
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Geology/Soils, Greenhouse Gas Emissions, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Solid Waste, Transportation, Tribal Cultural Resources, Wetland/Riparian, Wildlife
Reviewing Agencies
California Air Resources Board (ARB), California Coastal Commission (CCC), California Department of Conservation (DOC), California Department of Fish and Wildlife, Central Region 4 (CDFW), California Department of Fish and Wildlife, Marin Region 7 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Resources Recycling and Recovery, California Department of Transportation, District 5 (DOT), California Department of Transportation, Division of Aeronautics (DOT), California Department of Transportation, Division of Transportation Planning (DOT), California Department of Water Resources (DWR), California Energy Commission, California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Central Coast Region 3 (RWQCB), California State Lands Commission (SLC), Office of Historic Preservation, State Water Resources Control Board, Division of Water Quality, State Water Resources Control Board, Division of Water Rights

Attachments

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