How a 90 -Year – Old Industry Finds Itself on the Leading Edge of the Sustainability Movement
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John Ries, P.E. is president of the ESCSI, has been in the design and construction industries for over 40 years, and specifically involved with the Lightweight Aggregate Industry the last 22 years. He is a professional engineer and is active in ACI, ASTM and several other national organizations that serve the aggregate and concrete industries.
