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Environmental Projects
Site Inspection and Expanded Site Inspection
– Titan 1, Missile Site 2, Complex 2C
Project Description:
RMC conducted two separate soil and groundwater Site Investigations at the former Lowry Air Force Base (AFB) Titan I, Missile Site 2, Complex 2C. Investigations were initiated as a result of chlorinated solvents being detected in a groundwater sample from a domestic well located adjacent to Complex 2C. Project objectives included inspection of the underground missile complex, installation and sampling of eight groundwater monitoring wells, aquifer testing, soil sampling and assessment, domestic well sampling, vapor migration survey, and a sensitive receptor survey.
Complex 2C is located approximately 45 miles southeast of Denver, Colorado and four miles south and one mile east of the town of Elizabeth in Elbert County, Colorado. Complex 2C is currently owned by Elbert County and currently operates a solid waste transfer facility on the site.
In accordance with the US Army Corps of Engineers (USACE) Scope of Work, Site Safety and Health Plan, and Work Plan all project objectives were achieved. Work tasks for the Site Investigation commenced on December 13, 2004 and concluded on March 21, 2005. Work tasks for the Expanded Site Investigation commenced on September 12, 2006 and concluded on February 6, 2007. Project achievements included:
- Preparing a complete draft and final Work Plan, Site Safety and Health Plan, Field Sampling Plan, and Quality Assurance Plan for USACE review and approval prior to implementing field actions.
- Worked in close coordination with all property owners to ensure work was being accomplished satisfactorily.
- Assessment and sampling of underground standing water located within the former Missile Complex 2C.
- Drilling and sampling of soil borings to assess soil contaminants across the site.
- Installation, development, and sampling of eight monitoring wells to assess potential impacts to groundwater.
- Completion of aquifer testing in eight newly installed monitoring wells.
- Completion of the Johnson and Ettinger Vapor Migration Model to forward calculate an incremental cancer risk or hazard quotient based on the groundwater concentrations.
- Research of potential receptors surrounding Complex 2C.
- Preparing a complete draft and final reports for approval by USACE for review and approval.
Based upon achievement of project objectives, RMC recommended installation of additional monitoring wells at the site to further assess contamination.
Key Personnel: David Groy, Brian Sweet, Jennifer Hussey, Justin Solomon, Claude Murray
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