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Long Term Groundwater Monitoring Program

F.E. Warren Air Force Base
Cheyenne, Wyoming

Services Provided


In the early 1960s, in response to Cold War threats, F.E. Warren Air Force Base became the first fully operational intercontinental ballistic missile squadron. Although no missiles were ever launched, they were fueled as part of preparatory activities. Trichloroethylene (TCE) was used to clean excess fuel from lines, which was disposed of on-site. Subsequently, the groundwater was impacted and TCE was considered the principal groundwater contaminant of concern.  

Trihydro was contracted by the United States Army Corps of Engineers (USACE) to develop and implement an interim long-term groundwater monitoring program to implement in determining the final remediation measures associated with six of the decommissioned missile sites at F.E. Warren. As part of the project, Trihydro conducted semi-annual groundwater sampling events to identify levels of concentration and trends in migration. Trihydro also used Monitoring and Remediation Optimization Software (MAROS) to statistically analyze and evaluate trends and optimize the monitoring program.

Trihydro was proactive in bringing project issues to the USACE project manager's attention and exercising initiative to facilitate their resolution and execution. Trihydro exercised flexibility and positive responsiveness in accommodating USACE needs and changes in project requirements. As a result of these efforts, USACE was provided with the ability to reduce the long-term monitoring frequency for the sites, ultimately saving significant long-term monitoring costs.

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"The quality of Trihydro's work matches the exemplary nature of the individuals performing them."
- Guillermo J. Silva-Wiscovich, Partner, Morell Bauza Cartagena & Dapena LLC

Trihydro’s success is based on working safely, maintaining high quality, and having strong project managers on the front line. Our considerable technical and regulatory expertise allows us to anticipate challenges, recognize opportunities, and strategically work with you to reach well-defined milestones and clearly defined end-state visions.

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