Remediation of Mining Waste at Creek Site

Project, Remedial Construction | Aug 20th, 2020
Environmental Field Services was contracted by a Colorado-based engineering firm to perform the remediation of mining waste and restoration of sites around a creek in Oklahoma. The sites included existing chat piles, other mine and mill waste, smelter waste, and mine features including subsidence features, open mine shafts, and cased borings, at the Site.  The … more »

Reagent Injection At Commercial Site

Environmental Field Services was contracted by an Illinois-based engineering company to provide in-situ chemical reduction (ISCR) treatment services for a site located in Michigan.  The site formerly housed commercial dry cleaning operations from the 1950s through 1980.  Evidence of solvent impacts were detected in soils, groundwater, and within indoor air of adjacent properties including schools, … more »

Concrete Cover Installation

EFS was contracted by a client to perform concrete cover installation and related civil services at an active chemical plant in Ohio.  The objective of this project was to construct a concrete cover system preventing rainwater infiltration and subsequent contaminant migration.  The cover was constructed using materials designed to maximize durability and life, meet the … more »

Landfill Cover Improvements

Project, Remedial Construction | Mar 18th, 2020
EFS was contracted to complete civil improvements to a three-acre soil cover at a former private trucking operations facility in West Virginia in order to reduce infiltration of precipitation into a Solid Waste Management Unit.  Field activities began in October 2012 and were completed in November 2012.  EFS prepared a site-specific Health and Safety Plan … more »

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