Sources: National Ready Mixed Concrete Association, Silver Spring, Md.; CP staff
Michigan-based certification authority NSF International has issued a new Product Category Rule (PCR) for Concrete, reflecting nearly two years of stakeholder-proposed updates to a charter 2013 version. The PCR is a set of industry rules to support development of environmental product declarations (EPD) for ready mixed and manufactured concrete. EPDs respond to calls for product transparency and disclosure from green building standards, market initiatives, and state laws.
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