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The American Chemistry Council (ACC) leads 25 building- and construction industry-linked groups, plus the U.S. Chamber of Commerce and National Association of Manufacturers, behind the American High-Performance Buildings Coalition (AHPBC). Geared to promoting and supporting development of sustainable building standards based on consensus and scientific performance data, the Coalition was announced in mid-July—shortly after ACC challenged the U.S. Green Building Council over an “Avoidance of Chemicals of Concern” section and other proposals for forthcoming LEED v4 rating system (note LEED Leanings on page 9).