... Future Blackman, Batz, and Evans 7 material used in the manufacture of hydrofluoric acid. In particular, PM10 is emitted in drying, handling, and transferring fluorspar. The principal source of ... accounting for just 14% of remaining emissions. Even within the industry subsector, maquiladoras are not the leading source of two of the SNIFF air pollutants—PM and SO2. That distinction ... and Urban Development Division, Country Department I, Latin America and the Caribbean Region. Washington, DC: World Bank. Maquiladoras, Air Pollution, and Human Health In Ciudad Juárez and...