The U.S. Air National Guard, a separate reserve component of the United States Air Force, has more than 106,000 officers and enlisted people who serve in flying and mission support units around the country.
Cardno was engaged by the Air National Guard to undertake remedial investigations across 23 sites in the Sunbelt Region, along the southern tier of the U.S.
With extensive experience working in land management for Defense clients, Cardno mobilized multiple teams to undertake remedial investigations to determine the full nature and extent of contamination in soil, groundwater, sediment and surface water, threat to human health and environment, and the most feasible means of cleaning up each site for unconditional use. Our work at the 23 sites included Comprehensive Environmental Responses, Compensation, and Liability Act (CERCLA) Remedial Investigation (RI), Feasibility Studies (FS), Proposed Plans, and Records of Decisions in Alabama, Mississippi (MS) and Ohio.
As each location comprised a unique set of circumstances, our teams brought a considered and tailored approach to all site characterizations. Using a combination of direct-push, auger drilling and rock coring techniques, we determined the nature and extent of chemicals in the soil, groundwater, sediment, surface water and vapor intrusion for various volatile organic compounds (VOCs), semi-volatile organic compounds (SVOCs) and metals.
The following summarizes a number of key tasks we undertook for the Air National Guard:
- developed Quality Control Plans and Uniform Federal Policy for Quality Assurance Project Plans (UFP-QAPPs) with Health and Safety Plans enhanced by information gained from regulatory and programmatic kick-off meetings to ensure work was conducted safely and in accordance with state regulatory and client requirements
- designed and implemented subsurface drilling programs and groundwater monitoring well networks to meet data quality objectives
- developed and implemented suitable waste management plans for each site
- prepared RI reports fully delineating all contaminants in all environmental media
- used numerical fate and transport modeling to determine fate and transport of chemicals
- conducted human health and ecological risk assessments for each site
- prepared subsequent FSs with remedial design where warranted and No Further Action documentation where sites could be closed, prepared Proposed Plans, Record of Decision, and Decision Documents for each site as required, including all public information requirements
- undertook extensive coordination with the Jackson Airport Authority and Mississippi Department of Environmental Quality during the management of off-site migration of contaminants, negotiating right-of-entry (ROE) to areas controlled by the airport and to work around wetlands including presentation to the airport board.