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Article

GZA Brings Technical, Toxicolological Innovation and Risk Management Expertise to PFAS Markets

Don Goldberg and Bill Zoino founded GZA GeoEnvironmental Inc. (Norwood, MA) in 1964 as a soils and foundations specialty consultant. Since then, the company has grown from a small consulting...

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Diacetyl and 2,3-Pentanedione in Breathing Zone and Area Air During Large-Scale Commercial Coffee Roasting, Blending and Grinding Processes

Recently described scientific literature has identified the airborne presence of 2,3-butanedione (diacetyl) and 2,3-pentanedione at concentrations approaching or potentially exceeding the current...

Article

Economic Impacts of Industrial Silica Sand (Frac Sand) Mining

Industrial silica sand has been mined across the United States for more than a century. Until recently, this sand was used primarily for glassmaking, cores for molding metal castings at foundries,...