Abstract
Observations taken during the investigation and remediation of a water supply borehole contaminated by polycyclic aromatic hydrocarbons (PAHs) are used to discuss how existing methods can define such contamination. In this example, the PAH originated from carbon black used in a manufacturing process. The extent of the contamination was investigated and the flow path for the pollutants to enter the borehole identified. Two attempts were made to destroy the contaminants using hydrogen peroxide following different procedures. The observations made during the investigations, treatment, and sampling results are reviewed to determine possible explanations for the observed behavior and to assess the effectiveness of the treatment methods with the benefits of hindsight. © 2013 Wiley Periodicals, Inc.
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