Soil impacted with chemical compounds at Kahului Airport Fire Training Pit

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Soil impacted with chemical compounds at Kahului Airport Fire Training Pit


Fencing of impacted floor has gone up at Kahului Airport on Maui as a short lived measure to stop direct contact with the soil.

PFAS (per- and polyfluoroalkyl substance) is a part of aqueous film-forming foams (AFFF) utilized in firefighting at airports. The use of AFFF is critical for firefighting at airports as a result of nature of plane gas fires.

The Hawaii Department of Transportation (HDOT) is taking steps to handle PFAS impacted soil within the neighborhood of the Kahului Airport (OGG) Aircraft Rescue and Firefighting (ARFF) Training Pit. The steps HDOT is taking embody fencing off the world the place soil sampling exhibits PFAS and submission of an interim remedial motion plan to the Hawaii Department of Health (HDOH).

While AFFF is now not launched in firefighting coaching at the moment, it was utilized in coaching previous to 2021. ARFF automobiles statewide have been retrofitted to restrict using AFFF solely to fires with or close by plane gas.

Based on historic use, the Hawaii Department of Transportation started soil sampling for PFAS at six areas. These areas are: 1) the OGG ARFF Training Pit, 2) the previous ARFF Training Pit on the Daniel Okay. Inouye International Airport, 3) the ARFF Training Pit on the Ellison Onizuka International Airport at Keahole, 4 & 5) the previous ARFF Training Pits on the Hilo International Airport, and 6) the previous ARFF Training Pit on the Lihue Airport. The OGG web site sampling detected a number of PFAS compounds at or above Hawaii Department of Health environmental motion ranges for normal contact with the soil over a few years.

Groundwater beneath the hearth coaching space has additionally been impacted by PFASs.

The groundwater isn’t a supply of ingesting water and doesn’t threaten different ingesting water assets on the island. Additional investigation of the groundwater contamination is ongoing.

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There are possible hundreds of PFAS which are at the moment current within the United States. Each of those chemical compounds has completely different properties and could also be used for various functions or could merely be current as unintended byproducts of sure manufacturing or different processes. The toxicity of the chemical compounds varies. HDOT will proceed to work with HDOH on remedial actions at this web site.

More info on PFASs is obtainable at health.hawaii.gov/heer/environmental-health/highlighted-projects/per-and-polyflouroalkl-sbstances-pfass or epa.gov/pfas.  

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