• Environmental site assessment and subsurface investigation at former 200-acre refinery facility and adjacent properties, Long Beach, CA.
• Wright Petroleum Site Remediation in Laguna Hills, California. This project involved the investigation and remediation of a five acre soil and groundwater plume containing more than 15,000 gallons of gasoline and diesel fuel.
• Investigation and mitigation of soil and groundwater contamination along the Mid City segment of the Los Angeles Metro Rail Project.
• Investigation and characterization of an uncertified hazardous waste landfill in Gardena, California.
• Investigation of the Farmers Market methane gas venting episode and associated fire, Los Angeles, California.
• Environmental site assessment of 40-acre refinery site, Torrence, California.
• Investigation and environmental assessment of a former 20-acre refinery site in Norwalk, California.
• Investigation, in-place abandonment of underground solvent storage tanks, and soil remediation at a former dry cleaning facility, Glendale, California.
• Investigation and mitigation of subsurface methane and hydrogen sulfide gas along the Mid City segment of the Los Angeles Metro Rail Project.
• Environmental assessment of former Nestle decaffination facility and evaluation of remediation alternatives for 20-acre groundwater plume, Ripon, California.
• Environmental assessment of former 10-acre roofing paper manufacturing facility, Vernon, California.
• Investigation, UST removal, and soil remediation at former JBL Speakers manufacturing facility, Glendale, California.
• Environmental site assessment for a 3 acre site contaminated with crude oil and solvents in Signal Hills, California.
• Environmental site assessment for a 30-acre asphalt plant production site in Sparks, Nevada.
• Investigation, monitoring and design of remedial measures to mitigate methane gas seepage in a 300 home residential development located in Yorba Linda, California.
• Environmental site assessment for a 7 acre site contaminated with crude oil in Huntington Beach, California.
• Environmental site assessment for several leaking underground storage tank sites in southern and central California.
• Environmental site assessment for several circuit board manufacturing and plating facilities in southern and central California.
• Environmental site assessment for several dry cleaning facilities in southern and central California.
• Environmental Impact and Water Quality study for Washoe County, Nevada waste water treatment facility.