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Chlorinated Solvent Concentrations Significantly Reduced at Manufacturing Site By Utilizing Sorption and Biodegradation This case study reviews a site in the Ohio River Valley where historic industrial operations over the last 100 years at a manufacturing facility have resulted in PCE and TCE impacts to 7,500 square feet of shallow groundwater. To move the redevelopment …

September 13, 2018

Soil Mixing and ISCO Approach Achieves Arizona DEQ Closure Levels This case study reviews an active Underground Storage Tank (UST) case with the Arizona Department of Environmental Quality (ADEQ), where the site needed to meet ADEQ closure levels quickly in order to seek risk-based closure as part of a property transaction. After performing remedial assessment …


First Demonstrated In Situ Treatment Solution For PFOA/PFOS At Former Industrial Site This case study 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. …

May 9, 2018

Former Michigan Industrial Site Treated Using Combined Remedy Approach This case study reviews a former plating facility in southwest Michigan that had released chlorinated volatile organic compounds (cVOCs) into shallow groundwater, resulting in a ¼-mile long contaminant plume. In response, the Michigan Department of Environmental Quality (MDEQ) and the environmental firm, DLZ, implemented a combined …


A Former Santa Barbara Manufacturing Facility Treated Using a Combined Remedy Approach This case study reviews a contaminated manufacturing site in Santa Barbara, California. A former manufacturing operation had left PCE and TCE contaminant levels above regulatory limits with previous remediation approaches attempted without complete success. Applying a combined remedy approach, Haro Environmental chose to …

January 22, 2018

Large Dilute BTEX Plume Succesfully Treated To Meet Concentration Milestones A former gas station site in Taylor County Florida had undergone prior remedial efforts over the years. The Florida Department of Environmental Protection (FDEP), through its Innovative Technologies Program, engaged the environmental consulting firm, Advanced Environmental Technologies LLC (AET) to design an alternative combined remedial …

January 19, 2018

Download the PDF Project Highlights USC was able to stay on-time and on-budget while eliminating any future exposure to vapor intrusion. A Geo-Seal barrier system was installed to prevent potential vapor exposure as part of the $700 million University of Southern California (USC) student residential village project. Geo-Seal vapor barrier provides the new student residential …

November 28, 2017

  Download the PDF ISCO Remediation Strategy Successfully Eliminates DRO and Restores Agricultural Viability Project Highlights Two applications of RegenOx® reduced contaminants to a level below the Alaska Department of Environmental Conservation (ADEC) standards to protect against migration to groundwater Completed in 8 weeks, restoring agriculture viability Soil was safely and efficiently cleaned preventing fuel …

November 27, 2017

Download the PDF Project Highlights Site previously treated with a series of RegenOx® and ORC Advanced® amendments significantly reduces plume concentrations. Remaining hot spot was then treated with turn-key injection application of PersulfOx® and ORD Advanced technologies bringing closure to facility Successful turn-key treatment of offsite hot spot completed within five days Project Summary An …

July 28, 2017

Download the PDF Project Highlights In situ injection application of PlumeStop® Liquid Activated Carbon™ and ORC Advanced® brings closure to facility identified as Leaking Underground Storage Tank (LUST) site REGENESIS® Remediation Services (RRS) used a multi-point approach to efficiently inject the combined amendments, completing the application within 24 hours PHCs in groundwater and soil reduced …

July 27, 2017