• GSA has completed in excess of 4,000 gas assessments of properties located within California. Many of these sites have required mitigation measures as part of site development and GSA has designed and supervised the construction of these mitigation measures. Additionally, GSA has completed in excess of 1,000 Environmental Audits, including Phases 1, 2 & 3, of properties throughout Southern California.
  • GSA has designed, supervised construction of, and presently maintains three of the largest natural gas mitigation sites in California at Hoag Memorial Hospital Presbyterian in Newport Beach, Olinda Ranch in the City of Brea and Dominguez Technology Center in Carson. GSA has investigated and designed gas mitigation for seven commercial buildings in Playa Vista, California developed by Lincoln properties as well as numerous other commercial and residential buildings within and surrounding Playa Vista, California.
  • GSA has served as experts for litigation involving Sempra Energy and its operations within and adjacent to Playa Vista, California.
  • GSA currently serves on the City of Los Angeles’ methane task force chartered for the formulation of a new methane code for the City.