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Investigation and remediation of jet-fuel release

About this project

client
Confidential
location
Michigan
cost
$1 million (Barr's fees)
completion date
Ongoing

Quick response facilitates cleanup at airport

In 2014, jet fuel was identified in an airport’s stormwater-sewer pumphouse, leading to discovery of a release from the airport’s hydrant line. Because of our experience successfully investigating and remediating releases for the airline in other locations, Barr was hired to immediately mobilize a team to determine potential exposure risks and the extent of impacts and to guide development of an investigation and remediation strategy.

Our preliminary investigation included assessing contaminant migration pathways, evaluating jet fuel in an airport-dewatering sump and a nearby elevator shaft, conducting indoor-air screening and risk assessment, and evaluating the integrity of adjacent sewers. We then performed a phased investigation involving sump sampling, installation of soil borings and groundwater monitoring wells, and evaluation of vapor intrusion and indoor air quality. Response actions included installation of horizontal and vertical product-recovery wells, pressure grouting and sealing of exterior walls where infiltration was observed, sump-pump modifications, and a soil-vapor-extraction pilot test.

Throughout the project, our activities were coordinated with the airport to minimize impacts on routine operations. Barr is now performing monthly operations-and-maintenance activities and closing the vapor intrusion pathway.

Key team members

Karma Hughes

Vice President
Senior Geologist

Luke Mackewich

Environmental Engineer

Tom Boom

Vice President
Senior Environmental Engineer

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