Sunflower Properties, Inc. / Devon Properties, Inc.

Sunflower Properties, Inc. / Devon Properties, Inc.

The Department of Toxic Substances Control (DTSC) is proposing to approve a draft Remedial Action Plan (RAP) pursuant to authority granted under Chapter 6.8, Division 20, California Health and Safety Code (H&SC). If approved, this RAP would authorize Devon Properties, Inc. to continue to conduct activities associated with remediation of subsurface soils contaminated with Volatile Organic Compounds (VOCs) at one of two Operable Units (OUs) at the project site. Activities proposed to be considered under the approved RAP include: 1.) Restarting an existing soil vapor extraction system consisting of a blower unit, and three 1000 lb. capacity, vapor - phase carbon absorbers (VPCA); 2.) Conducting periodic effluent concentration sampling and analysis activities; 3.) Conducting periodic granulated activated carbon filter change-out activities; and 4.) Conducting closure sampling, analysis and reporting activities. Duration of the proposed project is approximately 6 to 12 months.

San Diego

San Diego

California Department of Conservation (DOC), California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Health Care Services (DHCS), California Department of Parks and Recreation, California Department of Transportation, District 11 (DOT), California Highway Patrol, California Native American Heritage Commission (NAHC), California Regional Water Quality Control Board, San Diego Region 9 (RWQCB), California State Lands Commission (SLC), Resources Agency, Resources, Recycling and Recovery, State Water Resources Control Board, Divison of Financial Assistance

Waste Treatment:Hazardous (VOC contaminated soils)

State approval of Remedial Action Plan

Aesthetics, Agriculture and Forestry Resources, Air Quality, Cumulative Effects, Geology/Soils, Hazards & Hazardous Materials, Land Use/Planning, Noise, Population/Housing, Public Services, Recreation, Transportation