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 Expert Services | Environmental Contamination | Risk Management | Third-Party Review

Liability Assessment
Response Costs

Basin Management
Gasoline Additives

Innovative Technologies
and Water Resources

Investigation and Remediation

Litigation Support
and Expert Reports

Unexpected or Unintended Events
Regulatory Support

Vapor Intrusion
Indoor Air

Tri-S Environmental is an environmental and water consulting firm. Founded in 1994.

Based in California. Projects worldwide.

Places, Projects & Events

Litigation of Groundwater Contamination

Gain an understanding of the proper concepts and latest technologies that can have a direct impact on your case. Groundwater contamination sites and groundwater water supply systems are complex and the manner in which they are managed are dependent on constantly...

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2015 Keynote Address in Sri Lanka

“Property Line Contamination Issues and Associated Risks to Buildings plus Cross-Contamination Issues & Water Supply Protection” Vapor phase transport of petroleum hydrocarbons and chlorinated solvents released into the subsurface is a challenging problem that...

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High Gain Solar in Water Operations

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...

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Project Related

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...

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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,...

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