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 »
Drilling | Remedial Construction | Field Services | Safety | News & Events
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 »
EFS was contracted by a client to provide in-situ chemical reduction (ISCR) treatment services for a site in Ohio. The design remedy consisted of the application of EHC® – a reagent consisting of controlled release carbon, zero-valent iron (ZVI), and nutrients for stimulating the chemical reduction process of organic compounds within groundwater – combined with … more »
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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