Portable DPE Achieves Residential UST Case Closure in San Jose in Less Than One Year

A Case Study: GRI’s portable dual-phase extraction (DPE) system helped achieve residential case closure at a former gasoline UST site in San Jose after just 208 days of operation. The project removed 134 gallons of hydrocarbon mass and significantly reduced petroleum concentrations in groundwater and soil vapor, demonstrating how portable DPE can provide a cost-effective alternative to permanent remediation systems. …Read more »

The Fundamentals of Soil Vapor Extraction (SVE)

Soil Vapor Extraction (SVE) is a proven, cost-effective solution for removing volatile organic compounds (VOCs) from contaminated soil. By using controlled airflow to capture and treat subsurface vapors, SVE delivers faster cleanup timelines and measurable results, especially when paired with technologies like air sparging or dual-phase extraction. …Read more »

Take Me Out to the Ball Game

You can’t work seven days a week every week. I know, I’ve tried! Every once in awhile you need to take a Sunday off. When you do, I have a great suggestion how to spend the day. Here’s where I was last Sunday: Outside Giants Stadium: Outside the entrance: Tribute to Tim Lincecum: Tribute to … Read more »

Lightning Fast Clean-Up!

One of GRI’s success stories is a property located in San Jose near the University of Santa Clara. The site is a former dry cleaning operation. The future use of the property is for high-density residential. The contaminant to be extracted from the soil is PCE, mainly in an area 50 x 100 feet in … Read more »

How We Got to Where We Are

When GRI was founded in 2002, our mission was to provide the best services at the best prices. There was no mention of doing business in the lap of luxury. And our “inaugural digs” certainly reflected that austere mindset. The first GRI office building was a dilapidated warehouse next to Kennedy’s Tire Shop on Almaden … Read more »

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