Charah Solutions, Inc. is a U.S.-based firm specializing in environmental services for the power generation sector. The company delivers comprehensive remediation and compliance solutions, which include the ecological oversight of landfills for coal-fired power facilities, encompassing both new and existing ash ponds. Their active pond management services range from complete site closure via removal or "cap-in-place" methods, to the design and construction of new impoundments. These remediation efforts are supported by a wide array of specialized services, such as the full lifecycle management of landfills (development, construction, operation), thorough site evaluations and characterization, preliminary design with cost estimates and life-cycle analyses, hydrogeological assessments, and advanced modeling for groundwater and containment. Charah also handles permit applications for expansions and new "greenfield" sites, provides design engineering, constructs new landfills and their protective cap/cover systems, converts existing impoundments into landfill areas, and ensures quality assurance, control, and meticulous documentation, alongside supplying engineered fills for off-site applications. Beyond remediation, the company actively recycles consistent and contracted volumes of waste byproducts from coal power generation, such as bottom ash, fly ash, and gypsum, repurposing them for various industrial uses. They also offer dedicated coal ash management services, which involve silo maintenance, internal ash transportation, and the capture and disposal of ash residues from coal operations. Furthermore, Charah manages other combustion byproducts, including bottom ash, flue gas desulfurization (FGD) gypsum, Pozatec/fixated scrubber sludge, and fluidized bed combustion (FBC) fly ash. A unique offering is their environmental risk transfer service, where they assume responsibility for the remediation requirements of client sites. Established in 1987, Charah Solutions, Inc. maintains its headquarters in Louisville, Kentucky.


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