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Tri-S Environmental is a premier environmental management firm. Founded in 1994.
Based in Southern California. Projects worldwide. Celebrating our 29th Year in Business.
Places, Projects & Events
Groundwater contamination sites and groundwater water supply systems are complex and the manner in which they are managed are dependent on constantly changing technologies, regulations, unexpected per- and polyfluoroalkyl substances (PFAS) compounds, and water...read more
Keynote Address in Sri Lanka
Dr. Odencrantz was honored as the invited Keynote Speaker for the 3rd International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development. The subject of vapor phase transport of petroleum hydrocarbons and chlorinated...read more
Water Utility Evaluation
Tri-S Environmental performed a water utility segment evaluation for solar power augmentation for a start-up high gain solar company located in Silicon Valley, California. High gain solar combines high efficiency silicon cells and tracking that increases...read more
OSWER Technical Guide for Assessing and Mitigating the Vapor Intrusion Pathway From Subsurface Vapor Sources to Indoor Air
U.S. Environmental Protection Agency, Office of Solid Waste and Emergency Response Office of Solid Waste and Emergency Response, June 2015 Dr. Odencrantz is cited as authority on page 92 in the June 2015 Final USEPA Guidance Document on Vapor Intrusion Sources to...read more
NH Supreme Court takes up Exxon appeal
By JEREMY BLACKMAN Monitor staff Sunday, May 24, 2015 It was the largest such verdict in New Hampshire history, and Exxon, perhaps predictably, has been contesting it ever since. The battle appears to be finally nearing a head. Last week, Exxon’s attorneys asked the...read more
MTBE: The Gas Additive that is Hard to Remove
By Jason Reimers Friday, April 24, 2015 (Published in print: Tuesday, April 28, 2015) I barely remember leaded gasoline. All I really remember is being in the backseat of my mother’s Pinto and the question being posed: “Leaded or unleaded?” Lead is harmful to humans,...read more