Shipment of dangerous goods or hazardous materials are highly regulated. Corrosive substances are most hazardous to eyesight. The agency focuses on minimizing human health risks associated with exposure to hazardous substances. Brazing may entail exposure to hazardous chemical fumes. Electrical waste contains hazardous but also valuable and scarce materials. Incineration is a key process in the treatment of hazardous wastes and clinical wastes. Starved air incineration is another method used to treat hazardous wastes. The early industries had left many sites contaminated with hazardous wastes. Lack of access to nearby facilities that accept hazardous waste may deter use. Regulations regarding management of hazardous waste begin in part 260. Some of them are potentially hazardous objects. The jury deadlocked on the more serious charges related to illegal burning of hazardous waste. Gold production is associated with contribution to hazardous pollution. The EPA now manages 2.96 million tons of solid, hazardous and industrial waste. There are inherent dangers involved in pursuing hazardous weather.