Sources: Portland Cement Association, Skokie, Ill.; CP staff
The U.S. House of Representatives has passed “Improving Coal Combustion Residuals Regulation Act of 2015,” (H.R. 1734) in a bipartisan 258-166 vote. Sponsored by Rep. David McKinley, (R-WV), it codifies the Environmental Protection Agency’s recent decision to regulate fly ash and other coal combustion residuals (CCR) under Resource Conservation and Recovery Act (RCRA) ‘solid’ versus ‘hazardous’ waste provisions.
Sources: CP staff; Essroc Italcementi Group, Nazareth, Pa.
Essroc Cement has integrated a 500,000 metric ton/year capacity, Camden, N.J., slag cement grinding operation into its Northeast and Mid-Atlantic powder network. It closed on the former St. Lawrence Cement and Holcim (US) Inc. mill, located along the Delaware River directly across from Philadelphia, in a deal with the newly formed LafargeHolcim Ltd.
Sources: Athena Sustainable Materials Institute, Ottawa; CP staff
The developer of a life cycle assessment (LCA) tool informing ready mixed and manufactured-concrete interests’ product category rules (PCR) and environmental product declarations (EPD) has released Pavement LCA Version 2.1, succeeding the Impact Estimator for Highways software. Athena Institute envisioned the charter program for major freeway and arterial roadway assessment, but notes the tool can now gauge the environmental footprint of any roadway cross-section along its length and over its service life.