The company this month separately settled an investigation by the state Department of Environmental Conservation that found hundreds of violations involving improper mixture of toxic fly ash and ...

Traditionally, EMT’s business was working with utility companies for fly ash and ensuring that the material meets specification. The product is then sent to the ready-mix industry and precast ...

Fly ash has been one of the most common supplementary cementitious materials (SCMs) for decades. While lowering the cost per unit of concrete by replacing cementitious material in the mix ...