By September 19, 2013, major stationary sources of nitrogen oxides and/or volatile organic compounds in the Houston-Galveston-Brazoria nonattainment area must submit information to establish baseline amounts for the federal Clean Air Act Section 185 failure to attain fee. Information regarding this requirement, including instructions and forms regarding the establishment of baseline amounts, is available on TCEQ’s website at http://www.tceq.texas.gov/airquality/point-source-ei/sipsection185.html.