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Daramend® is an advanced in situ chemical reduction (ISCR) treatment technology for soil, sediment, and solid wastes contaminated with recalcitrant organic compounds. The application of Daramend biore…
A review of the impact of the Department of Homeland Security’s rule establishing risk-based performance standards for the security of the nation’s chemical facilities. This discussion considers how t…
Non-aqueous phase liquid (NAPL) contamination in the subsurface remains a challenging problem in the remediation of contaminated sites. Activated persulfate chemical oxidation can be used successfully…
The determination of persulfate concentration in groundwater post in situ application is critical in determining parameters such as the persulfate radius of influence (ROI) achieved and the residence …
The impact of chemical on the native microbial population during in situ chemical oxidation (ISCO) is not well understood. As a result, some concerns exist within the remediation community as to the p…
Guest author Professor Neil Thomson, Chair of the Department of Civil and Environmental Engineering, and a member of the Environmental Modelling and Analysis Group at the University of Waterloo, discu…
Frank Sessa of the Environmental Solutions team discusses measurement of the Oxidation-Reduction Potential (ORP), starting with the definition of ORP and progressing through its limitation and interfe…
Peroxygens are a class of chemicals that are highly reactive by nature. As a result, attention and care should always be paramount when handling such materials, including PeroxyChem’s Klozur® activate…
