Waste Oil Pits Superfund Site Industry: Oil & Gas Location: Gulf Coast ENTACT performed in-situ stabilization of 45,000 cubic yards of hydrocarbon sludge at this former waste oil pits site, situated within a cypress swamp. Challenges included the relocation of a half-mile of an existing stream away from the former waste pits and excavation of …
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Disposal Services Site Industry: Oil & Gas Location: Southwest ENTACT completed remediation activities at a petrochemical and industrial waste site, which included treating more than 11 million gallons of impacted water and performing ISS of 87,000 cubic yards of hydrocarbon and polychlorinated biphenyl-impacted sludges up to 12 feet deep. Additional services performed included managing stored …
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Former MGP Site Remedial Action Industry: Utilities Location: Midwest ENTACT remediated this former manufactured gas plant (MGP) site, located in an urban area bordered by light industrial and commercial development, undeveloped land and a shallow river. Historical releases of MGP residuals had impacted soil and groundwater, and contaminants migrating to the bank of the adjacent …
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Former Wood Preserving Site Remedial Action Industry: Chemical Location: Southeast This 84-acre wood preserving site was added to the National Priorities List in 1997, due to contaminated groundwater, soil and sediment resulting from over 30 years of wood treating operations. While multiple phases of cleanup had occurred over the years, the prior remedy was deemed …
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Active Refinery Process Unit Proposed Location Industry: Oil & Gas Location: Gulf Coast This refinery experienced a sulfuric acid spill in an area where it planned to construct a process unit. In response, ENTACT performed soil remediation and ground improvement to address low pH soils because of the spill. Subsurface soils consisted of saturated, soft …
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Active Iron and Steel Manufacturing Facility Industry: Manufacturing Location: Midwest ENTACT completed corrective measures at this active manufacturing facility without hindering the plant’s daily operations. Using excavator bucket mixing, ENTACT stabilized 165,000 cubic yards of impacted soil and consolidated more than 120,000 cubic yards of overburden soil. We also dewatered, in-situ stabilized, excavated and disposed …
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Industrial Complex Remediation and Redevelopment Industry: Chemical, Real Estate Location: Southwest ENTACT performed remedial activities at this 2,200-acre industrial complex in preparation for mixed-use redevelopment. Using our internal technical and treatability skills, we developed a remedial solution that would reduce the site’s high moisture levels to target objectives. This process included geotechnical evaluations, soil mixing, …
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Former Factory Remediation and Redevelopment Industry: Manufacturing, Real Estate Location: Northeast ENTACT remediated a former factory site – slated for residential and retail redevelopment – that was impacted by multiple contaminants, including arsenic and lead. The property is in a dense urban area, divided by a city street and bordered by city transit and right …
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Former Manufactured Gas Plant Site Industry: Real Estate, Utilities Location: Midwest ENTACT implemented in-situ solidification and stabilization at this former manufactured gas plant to address the impacted materials in place. Through two phases of work, we successfully addressed environmental conditions and prepared the site for redevelopment, all while meeting our client’s schedule and budget objectives. …
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Tar Ponds and Coke Ovens Site Solidification and Stabilization Industry: Mining and Metals Location: Canada The Tar Ponds were filled with waste from a steel mill and coke oven, transforming the tidal estuary with impacted sediments and sludge. The governments of Canada and Nova Scotia announced a plan to clean up the site and establish …
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Former Phosphate Fertilizer Sites Removal Action Industry: Chemical Location: Southeast ENTACT performed remediation of nine former phosphate fertilizer production and manufacturing sites to address lead- and arsenic-impacted soils, sediment and groundwater. Our client needed a partner that could navigate the complexities and requirements associated with this effort. Sites were in commercial, residential and industrial zones. …
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Former MGP Site ISS Phase Industry: Utilities Location: Northeast ENTACT combined its construction background and ground improvement expertise to create a multipart solution for this complex site. We performed remediation activities under a temporary containment building equipped with a vapor management system. These activities included soil excavation, treatment, restoration and civil construction services. Remediation included …
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