• Site At-a-Glance

    • Ascon Landfill Site

      Location

      Huntington Beach, CA

      Regulatory Jurisdiction

      DTSC

      Description
      • 38-acre oilfield waste landfill, State Superfund Site in Huntington Beach, California.
      • A high profile, developable Site located adjacent to residential neighborhoods, a high school, and a community park, and half a mile from the ocean. Contains ~1.4MM cy of oilfield wastes and impacted materials.
      • Consent Order between DTSC and the Ascon RPs was signed on January 8, 2003, to bring the Site to unrestricted use.
      • RPs and PNL successful in modifying DTSC ‘approved’ remedy for the Site. Current preferred remedy is partial source removal with a protective cap over a large portion of the Site. (Consent Order will require modification.)
      • Emergency Action was conducted in 2005 through early 2006 to strengthen berms and mitigate potential seeps after record-breaking winter rains.
      • Interim Removal Measure proposed to DTSC in 2008, to remove approximately 5,000 – 10,000 cy of tars from Lagoons 1 and 2, beginning in 2009.

Ascon Landfill Site

PNL's Role

Providing for ultimate site use to drive remediation objectives. Attempting to minimize extent of offsite removal of wastes. Re-evaluating FS and Health Risk Assessment. Focusing on management of waste streams, not areas. Assisting the PRPs to identify and fill data gaps for EIR and Design Remedy negotiations.

Health and Safety Metrics

  • Total Work Hours: 6,920
  • OSHA Recordables: 0
  • Lost Time/Lost Work Day Incidents: 0
  • Near Miss Reports: 0
  • Loss Prevention Observations (LPO): 0
  • Site Health and Safety Plan updated

Technical Milestones

  • Groundwater Interim Monitoring Reports were submitted to DTSC in April and October, 2008.
  • Groundwater being monitored through an interim program to be conducted through Remedial Action.
  • Draft Remedial Action Plan submitted to DTSC in September 2007 is still under review.
  • Environmental Impact Report process began late 2008, scheduled to conclude in 2010.
  • Submitted Draft Initial Study/Mitigated Negative Declaration for Interim Removal Measure to DTSC in November 2008 to remove tars from onsite lagoons during 2009-2010.

Stakeholder Relations

Community outreach for Ascon:

  • Frequent communication and coordination with Huntington Beach Fire Department and other City departments.
  • Public meetings and Open Houses held, briefing community on Emergency Action, Feasibility Study, and overall project status.