Skip to main content

MIARNG Lansing Hangar (Lansing, Clinton County)

EGLE Site Lead: Kim Sakowski, SakowskiK@Michigan.gov or 517-582-2219. Content last updated: October 4, 2022.

Background

The Lansing Hangar is a facility located on the Capital Region International Airport property in Lansing Michigan. Results from a Preliminary Assessment performed by the Michigan Army National Guard (MIARNG) in 2020 identified two potential releases of PFAS in the area of this facility. The C-12 Hangar and Extinguisher Training Areas were both identified as potential release areas. Use of PFAS-containing aqueous film-forming foam (AFFF) were released during a training exercise. Both potential PFAS release areas were grouped into one investigation area, which was investigated during the site inspection in July 2021. 

Groundwater contours indicate the general flow of groundwater is to the southeast.

MIARNG Lansing Hangar Map

Recent Accomplishments

  • Between July 22 – 30, 2021, the MIARNG contractor, AECOM, performed the site inspection field work. Soil and groundwater samples were collected as part of this effort.
  • On December 7, 2021, the MIARNG received the sample results. The highest groundwater results were 80.1ppt PFOA (compared to 8 ppt) and 288 ppt PFHxS (compared to 51 ppt). The Final Site Inspection Report was submitted to EGLE on May 5, 2022.

Next Steps

  • During 2023, a remedial investigation will be the next phase of work conducted at the Lansing Hangar.
  • MIARNG will continue working with local and state officials to facilitate progress towards remediation at the Lansing Hangar.
  • The remedial investigation phase can take anywhere from 3 to 5 years to complete, followed by a feasibility study, proposed plan, and a record of decision, all of which will include EGLE and the department of health as stakeholders. The proposed plan will include a public comment phase.

Residential Well / Alternate Water Information

  • EGLE conducted residential well sampling at 11 homes located near the Capital Region International Airport and did not identify any wells impacted by PFAS. Routine monitoring of municipal wells located in the area also did not identify impacts by PFAS.

Upcoming Community Engagement

  • A solicitation for a restoration advisory board will occur as part of MIARNG’s remedial investigation and a community involvement plan will include details of community engagement (e.g., interviews and restoration advisory board solicitation at a minimum).

Sampling Results Summary

Type of Sample

Date Sampled
DMVA (or range)

Number of Sample
Results Received

Number of Samples
above MI Criteria*

Groundwater Monitoring Wells

July 22-30, 2021

6

6

* Residential well and groundwater monitoring well results are compared to EGLE Part 201 criteria for 7 PFAS compounds effective 12/21/2020:  PFOS (16 ppt), PFOA (8 ppt), PFNA (6 ppt), PFHxS (51 ppt), PFHxA (400,000 ppt), PFBS (420 ppt), and HFPO-DA (370 ppt).

Sampling Notes

  • Samples were collected at various depths at each location for both soil and groundwater.