Phil Dennis (SiREM) will co-present with David Alden of Tersus Environmental “Working with Nature to Detoxify a Growing Range of Contaminants” at the Rhode Island Society of Environmental Professionals (RISEP) Spring Luncheon at the Save The Bay Center in Providence, Rhode Island from 12 – 2 p.m. on May 15, 2019.


Extensive research and innovations in project execution over the past two decades have made bioremediation of chlorinated solvents, particularly tetrachloroethene (PCE) and trichloroethene (TCE), a reliable cleanup practice. Addressing recalcitrant byproducts, rebound issues, and meeting stringent cleanup goals is now possible due to advances in the ability to select and deliver electron donor and nutrients (i.e., biostimulation) and the ability to identify and apply key microorganisms (bioaugmentation).

Biostimulation and bioaugmentation are commonly used and cost-effective aquifer remediation techniques for a growing range of groundwater contaminants, making them an increasingly practical site cleanup option for complex and challenging sites, including those with emerging contaminants.

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