The degradation of contaminants in the environment based on natural conditions is important to understand at every such site. This study evaluated both site-specific data and scientific literature to determine whether pentachlorophenol (PCP) has the ability to degrade or decay naturally in the environment.

The report compiled and described multiple lines of evidence that demonstrate PCP does degrade in the natural environment. This documentation included site-specific information based on our large database of groundwater results.

Understanding the conditions under which PCP naturally degrades helps us better understand how we can promote those conditions as we evaluate further actions at the site.