Creation of a Coordinating Committee to Study the Applications of Fly Ash (N.P.C.) as an Admixture of Concrete. Category: Department OrderSub Category: committee-board-TWGSeries: 1987No: 23File: DO_023_S1987.pdfDate: Thursday, July 2, 1987Tags: Study Applications Fly Ash Admixture Concrete committee 023 Read more about Creation of a Coordinating Committee to Study the Applications of Fly Ash (N.P.C.) as an Admixture of Concrete.