n.— «Environmental protection laws have codes limiting water flows and particulate and smoke emissions from oil refineries and asphalt processing plants, and not only dust but sulfur dioxides, smoke and other emissions are rigorously controlled. Electrostatic precipitators, primary dust collectors using single or multiple cone cyclones, and secondary collection units consisting of fabric filter collectors commonly called “baghouses” are required equipment.» —“Concerns in Canaan Over Plan For Neighboring Asphalt Plant” by Kathryn Boughton Litchfield County Times (Connecticut) Jan. 24, 2008. (source: Double-Tongued Dictionary)

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