Ambient No, NO sub 2 , and O sub 3 Measurements in the Vicinity of TVA'S Allen and Paradise Coal-Fired Steam Plants

摘要

Investigations to evaluate the impacts of large coal-fired power plants on ambient levels of NO sub 2 in rural and urban areas were conducted at TVA's Paradise and Allen Steam Plants from May 1978 through December 1978. Both plants are equipped with cyclone furnaces and are expected to produce higher NO/sub x/ (NO + NO sub 2 ) emissions than other types of coal-fired boilers. Since the Paradise Steam Plant is relatively isolated from other major NO/sub x/ sources, ambient concentrations of NO/sub x/ around this plant are expected to be a true measure or indication of the ambient impact of NO/sub x/ emissions. On the other hand, ambient levels of NO/sub x/ in the area near Allen Steam Plant at Memphis, Tennessee, are expected to be higher, by comparison, due to numerous sources of NO/sub x/ within the immediate area.