http://www.artba.org/
Our wording of the title in this dispatch is simply a rephrasing, and a narrow one at that, of authoritative information presented by the report we enclose herein.
First, we have many times documented the many practical, economical and environmental benefits of utilizing Coal Fly Ash in the manufacture of Portland-type Cement and Portland Cement Concrete, both as a raw material for the Cement itself, replacing some of the natural raw materials otherwise used, and, as an aggregate for that Cement, to make Concrete, after the Cement itself has been produced.