 On May 21, 2014, the DTSC issued a final permit approving the company's planned expansion to allow an additional 5.2 million metric tons of capacity.Appeals of the permit issuance were filed by Greenaction together with People for Clean Air and Water of Kettleman City and by the Center for Race, Poverty and the Environment.On October 14, 2014, the Department of Toxic Substances Control denied both appeals.