U.S. EPA Contaminated Site Cleanup Information (CLU-IN)

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Tunnicliffe, B. and P. O'Neill.
RemTech 2018: Project Management and Logistics Session, October 10-12, 51 slides, 2018

The site posed unique challenges stemming from the recent acquisition of the property with the seller retaining environmental liability. Multiple petroleum hydrocarbon (PHC) sources were present across the site along with an on-site PHC spill that occurred part way through the cleanup efforts. During site remediation, new PHC sources were discovered and remedial plans were adjusted to deal with them. Pilot-scale investigations prior to remediation included both injection testing and 24-hr pumping tests at multiple locations on site. The remediation plan for the site involved multiple excavations, an automated pump-and-treat system, surfactant flushing, bedrock and overburden injection well installations (both horizontal and vertical), and in situ injections of multiple amendments: persulfate and peroxide for in situ oxidation in 2015 and 2016, and nutrients for enhanced bioremediation in 2017.
Longer abstract: https://www.esaa.org/wp-content/uploads/2016/05/Abstracts-RT2018-48.pdf
Slides: https://www.esaa.org/wp-content/uploads/2018/10/18-Tunnicliffe.pdf

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