The Occupational Safety and Health Administration (OSHA) is proposing to fine a chemical company $121,500 for a toxic leak that led to an acid cloud forcing hundreds of western Pennsylvania residents to evacuate. OSHA reports that the company committed 27 serious safety violations when 3,300 pounds of oleum leaked when a transfer tank overflowed because its internal pumps were connected to an electrical outlet that was not equipped with an automatic shutoff. The resulting sulfuric acid cloud forced 2,500 people from their homes for a day. The Pennsylvania Department of Environmental Protection also investigated. They are close to settling with the company on $38,000 in state fines for violating laws pertaining to chemical storage tanks and air pollution.