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IMPACT OF PRIMARY SULFATE AND NITRATE EMISSIONS FROM SELECTED MAJOR SOURCES. PHASE 1. COAL-FIRED POWER PLANT
Citation:
McCain, J., W. Kistler, AND D. Carnes. IMPACT OF PRIMARY SULFATE AND NITRATE EMISSIONS FROM SELECTED MAJOR SOURCES. PHASE 1. COAL-FIRED POWER PLANT. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/3-85/066 (NTIS PB86103678), 1985.
Description:
The report covers Phase one of a two phase study of the near source impacts of primary sulfate and nitrate emission sources. The phase one portion of the study was an investigation of the impact of a coal fired power plant burning high sulfur coal. The study was designed to measure the increases in the ground-level ambient air sulfate and nitrate concentrations resulting from the plant's emission within ten kilometers of the plant. The field sampling involved concurrent sampling at the source and in the ambient upwind and downwind of the plant for particulate matter, sulfates, nitrates, sulfuric acid, nitric acid, SO2, and NOx. The tests were conducted in the vicinity of the Scholz Generating Station of Gulf Power Co., which is located in a lightly industrialized area of north-western Florida. The plant consists of two 50 megawatt units fueled by coal which has an average sulfur content of 3.5 percent. The concentrations of H2SO4, SO2, NOx and particles were respectively about 5 ppm, 2000 ppm, 450 ppm, and 50 mg/m3. The plant was the dominant source of SO2 in the area. Concentrations of over 500 ppb were measured in the plume downwind of the plant with average concentrations over a six to ten hour period downwind reaching values of proportional to the SO2 concentrations.