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Dulle
Eric Dulle

Department Manager
Burns & McDonnell

Eric Dulle is an environmental engineer and department manager at Burns & McDonnell with over 13 years of professional experience. Eric's experience includes detailed remedial alternative evaluation, selection, design, construction management, and optimization. Eric has managed the design and implementation of several remediation technologies at complex sites including chemical oxidation, chemical reduction, surfactant enhanced extraction, pump and treat, etc.

 


POSTER PRESENTATION

Assessment of Phytoremediation Processes and Vapor Intrusion Evaluation through Urban Tree Species at a Residential Chlorinated VOC Site

A phytoremediation treatability study was conducted to evaluate groundwater plume treatment via phytovolatilization (plant uptake and transpiration of groundwater contamination), phytodegradation (plant uptake and degradation of groundwater contamination), and/or rhizodegradation (microbial contaminant degradation within the soil root zone) within a variety of trees at a site with groundwater impacted by PCE, TCE, and their breakdown products. Tree core samples were collected from over 40 existing mature trees at the site and analyzed for the constituents above. These constituents were detected in tree cores from multiple locations and varying tree species. The treatability study results indicated that the existing trees on-site uptake contaminant mass from both the saturated and vadose zones. This presentation will address sample collection techniques, analytical results, and how these data will be used to assess full-scale remedial alternatives.

 


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