The NPCA became the first industry group to challenge in court regulations adopted by the South Coast Air Quality Management District (SCAQMD) on May 14, 1999, which become effective in 2002 and 2006.
Huntsman Tioxide said it plans to carry out a feasibility study for the construction of a 50,000-metric-ton (mt) per-year chloride-process titanium dioxide (TiO2) production facility at Caojing, China.