Citing a new administration and the December 2008 spill of 5.4 million cu. yd. of fly ash from a Tennessee Valley Authority impoundment as reasons for recent Environmental Protection Agency actions regarding coal combustion byproducts regulations, ACAA Executive Director Tom Adams assesses such products, including fly ash, flue gas desulfurization materials, bottom ash and boiler slag, in a new white paper
Read MoreDay: September 14, 2009
New Astm Standard Defines Rapid Hardening Hydraulic Cements
The recently approved ASTM C1600/C1600M, Specification for Rapid Hardening Hydraulic Cement, covers materials used in applications where reduced cementitious contents are desired or early service is needed, including paving, construction, stucco, mortar and block
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