This is a Consent Agreement and Final Order between US EPA and Dean Foods Company (Respondent), of Dallas, Texas, for Respondent's operation of diesel trucks in California that did not meet the state's federally approved regulations for diesel engines. Respondent agreed to pay a $30,000 penalty, and as a condition of settlement, Respondent agreed to perform a Supplemental Environmental Project in California. Respondent selected the South Coast Air Quality Management District for installation of at least $90,000 of Air Filtration System equipment to reduce harmful air pollutants in classrooms in schools in the South Coast Air Basin.