Investigation Area C1 Remedial Action Plan, Mare Island


SCH Number
Lead Agency
California Department of Toxic Substances Control (DTSC)
Document Title
Investigation Area C1 Remedial Action Plan, Mare Island
Document Type
NEG - Negative Declaration
Present Land Use
Office/research and development, light industrial, retail commercial, onsite warehousing
Document Description
The proposed Remedial Action Plan summarizes the 221 sites where cleanup has been completed and proposed remedies for the four sites where cleanup work remains. At sites IR03 and IR14, the proposed remedy is in-situ treatments to address total petroleum hydrocarbons and chlorinated volatile organic compounds in groundwater. The proposed remedy also includes restricting land use. At site Building 85, the proposed remedy is restricting land use. At site Building 91, the proposed remedy includes the removal of contaminated wood flooring, concrete, soil, and dust to concentrations below the regulatory commercial/industrial cleanup goal.

Contact Information

Nicole Yuen
Agency Name
Department of Toxic Substances Control
Job Title
Hazardous Substances Engineer
Contact Types
Lead/Public Agency


Citywide, Countywide, Northern California, San Francisco Bay Area
Cross Streets
Railroad Avenue and Mare Island Causeway
Total Acres
State Highways
Mare Island Strait

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Parks and Recreation, California Department of Pesticide Regulation (DPR), California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 4 (DOT), California Department of Water Resources (DWR), California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Drinking Water, District 4
Development Types
Other (Remediation)
Local Actions
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Flood Plain/Flooding, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Noise, Population/Housing, Public Services, Recreation, Transportation, Tribal Cultural Resources, Utilities/Service Systems


Notice of Completion [NOC] Transmittal form

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