Turn Polluted Aquifers into Purifying Filters with PlumeStop
 Contaminant retardation is now a controllable variable with PlumeStop. PlumeStop Liquid Activated Carbon is a break-through groundwater remediation technology that reduces dissolved phase contaminant plumes in days. Composed of extremely fine particles of activated carbon (1‐2μm) suspended in water through a proprietary dispersion chemistry, PlumeStop flows into the subsurface at low pressure and achieves wide-spread distribution – a capability unlike any other form of activated carbon used for groundwater remediation today.
Colloidal ZVI with Excellent Reactivity and Longevity
 AquaZVI is proven to promote In Situ Chemical Reduction (ISCR) of contaminants within the subsurface environment. It is delivered as a colloidal suspension at 40% ZVI by weight with particle size in the range of less than 5 micron. AquaZVI is an aqueous suspension manufactured employing a state-of-the-science sulfidation process resulting in a particle coating which increases activation toward specific contaminants and extends performance longevity. While this remediation product destroys contaminants abiotically, it can also be employed to stimulate ISCR-enhanced bioremediation.
Client Spotlight: Mike Gefell, Principal Scientist at Anchor QEA
 For Mike Gefell, Principal Scientist at Anchor QEA, understanding the complexities of groundwater and protecting this resource deserves great attention, and it is an aspect of our environment he has devoted his entire career to. His specialized field, known as quantitative hydrogeology, involves the analysis of hydrologic processes, including precipitation, groundwater flow, water-well yield, discharge to surface water, and water quality. With 29 years of industry experience in hydrogeology, Gefell has become a highly respected specialist. “I really enjoy quantitative hydrogeology,” says Gefell. “All my work focuses on protecting ecological and human receptors and water resources, and understanding the relationships between water and environmental risk.”
Scott Wilson Answers Your PFAS Questions
  
This article published in Wiley’s Remediation Journal reviews a site impacted with petroleum hydrocarbons, perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), and other perfluoroalkyl sulfonates (PFAS). A single application of PlumeStop resulted in a significant reduction of contaminant concentrations to below standards for 18+ months since the injection. Modeling indicates that the PlumeStop application event should keep the PFAS contained within the source area for upwards of 100 years. Details of the remedial design approach are provided along with results of its implementation.
Webinar Recording Now Available
In this webinar we were pleased to have a special presentation by Heather Lord PhD, Environmental Research & Development Manager for Maxxam. Dr. Lord discussed analytical challenges and solutions when using PlumeStop Liquid Activated Carbon for in situ remediation of chlorinated solvents in groundwater. Joining Heather Lord was Rick McGregor, President of InSitu Remediation Services Ltd, who shared case studies of sites using the analytical strategies discussed in Dr. Lord’s presentation. The full recording is available here.
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