of coal, oil, and other fuels. Ozone and moisture in the air can convert sulfur dioxide into sulfates and sulfuric acid, each of which has been linked to bronchus and lung cancer. A second environmental factor was the suspension of particulates in the air. Suspended particulates are also a major air pollution source and are due in large part to the burning of fossil fuels for transportation purposes (Shakman, 1985, p. 7). Particulate pollution has also been implicated in the incidence of bronchus and lung cancer. A third environmental factor which was implicated was oxidant air pollution. Oxidant, in this instance, refers to oxides of nitrogen, which are emitted into the air through automobile tailpipes and factory smokestacks (Council on Environmental Quality, 1982, p. 82). Nitrogen oxides are a major air pollutant, and they have been linked to bronchus and lung cancer. These factors p
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