Case study: Combining remediation technologies for complex hydrogeological site impacted by chlorinated solvents (Brazil site).
Case presented at Battelle´s Fifth International Symposium on Bioremediation and Sustainable Environmental Technologies in April 15-18, 2019, in Baltimore, Maryland.
Groundwater in a complex hydrogeological site at an inactive small appliances manufacturing plant located in Sao Paulo City, Sao Paulo State (Brazil site), is impacted with dissolved Chlorinated Volatile Organic Compounds (CVOCs). After understanding the complex hydrogeological model of the area.
The aquifer was divided into hydraulic levels, confined by the clayey layers. The shallow aquifer was most important considering the potential of vapor intrusion inside the area. The remediation approach considered a synergetic combination of multiple techniques that included Soil Excavation and In Situ Chemical Reduction (ISCR) aiming to remediate the site within 24 months enabling a future residential occupation.
The quick and positive results of the remediation allowed the client to continue the project to implement the enterprise without loss in the original schedule, saving time and financial resources.
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