Project Experience

Republic Services Group, Inc. – Landfill Gas System Services for California and Nevada Landfills

Managing regulatory requirements for multiple sites in two states

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Cornerstone performs a range of landfill gas (LFG) services for Republic Services, Inc.’s California and Nevada landfills to ensure that the operations at each site remain in compliance.

The work varies by site. At the Sunshine Canyon Landfill in Southern California, Cornerstone handles landfill gas collection and control system (GCCS) compliance, as well as GCCS design and permitting, including permitting assistance for a new enclosed flare.

At the Apex Landfill and Sunrise Municipal Landfill in Nevada, Cornerstone’s work consists of compliance, permitting, design, monitoring, operation and maintenance (O&M), and LFG system construction management services.

Cornerstone has teamed up with American Environmental Group, Limited (AEGL) to provide services at the Keller Canyon Landfill, Vasco Road Landfill, Newby Island Landfill, Ox Mountain Landfill, and West Contra Costa County Landfill. Cornerstone provides compliance and permitting services and AEGL conducts the wellfield O&M and provides routine GCCS monitoring and adjustments.

Key Project Activities

  • LFG system compliance
  • Permitting
  • Operations and maintenance
  • Construction management
  • Routine GCCS monitoring and adjustments
  • LFG recovery optimization assessments