Former Metal Plating Shop, Los Angeles, CA
Closed the case after completing site assessment near an UST area at the site.
Former Gas Station Site, Ojai, CA
Negotiated with Caltrans District 7 Los Angeles regarding encroachment permit to abandon monitoring wells so that the case can be closed with LA Water Board.
Former Metal Plating Shop, City of Industry, CA
Working with DTSC, designed a soil, soil vapor and groundwater investigation program to assess the extent of contamination.
Former Dry Cleaning Facility, South Orange County, CA
Removed circa 1940 500-gallon solvent underground storage tanks from the site. Completed soil, vapor intrusion, indoor air risk assessment, and groundwater investigation at the site. Designed an augmented bio-remediation pilot test for using emulsified oil, ZVI and Bac-9 culture to treat contaminated groundwater.
Former Railroad Spring Manufacturing Facility, Los Angeles, CA
Designed a pathway for expedited case closure. Completed site assessment and remediation of PCE/TCE contaminated groundwater. Completed a site conceptual model so that stakeholders and regulators could evaluate the extent of contamination and agree on remediation.
Retail Warehouse, Santa Monica, CA
Completed site assessments at a former gas station site to define the free product plume. Convinced regulators under difficult circumstances to qualify owner for state cleanup fund. Evaluated options such as manual bailing and automatic removal systems based on cost and effectiveness. Designed and implemented a dual phase extraction system to remove free product and…
Former Paper Box Manufacturing Facility, Bell Gardens, CA
As a new consultant, negotiated with DTSC on an alternate path for closure by doing soil vapor survey and risk assessment first and then designing a case closing Supplemental Site Investigation (SSI) program for a box manufacturing site with solvent contamination. Proposed alternative reduced the project cost from $440,000 to $170,000.
Former Paint Manufacturing Facility, Los Angeles, CA
Managed a former paint manufacturing RCRA permit Part B site with DTSC for case closure. This case has been open for almost 26 years. Reviewed the case history for solvent contamination and compiled data to respond to DTSC comments and prove that there is no vapor intrusion issue, no deeper soil vapor plumes and existing…
Several LUST sites across Southern California
Managed 17 LUST cases across southern California overseeing staff geologists, field technicians, professional geologists, drillers, and analytical laboratories. Former Dry Cleaning Site, South Orange County, CA Planned, designed, permitted and executed a complicated excavation plan of highly solvent contaminated soil from a dry cleaning site. Prepared a Remedial Action Plan for cleaning up solvent groundwater…