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Standards & Compliance Briefing: Green Roofs, Calvert Social Index, Aviation, WEEE, Plastics

A new ASTM International standard is designed to aid in the selection of lightweight aggregate best suited for use in the design and construction of vegetative roof systems. The standard is called E2788, Specification for Use of Expanded Shale, Clay and Slate (ESCS) as a Mineral Component in the Growing … Read more »