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PCA proposes revised C 150 to reduce carbon-dioxide emissions

Published Monday, December 01, 2003

In a November 12 press briefing at the Greenbuild Conference and Exposition in Pittsburgh, Portland Cement Association members announced a proposal to change the manufacture of portland cement by revising ASTM C 150 in order to significantly reduce emissions and provide key environmental benefits. Tom Chizmadia, PCA board member and chairman of the association's Environment and Energy Committee, outlined the association's proposal to allow for the inclusion of up to 5 percent ground limestone in the portland cement standard designated as ASTM C 150. Emphasizing the importance of this change, Chizmadia noted, “Such reductions could add significantly to ...

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