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Abstract
During the intensive Nanticoke Environmental Field Study of May/June 1978, three Barringer Correlation Spectrometers (COSPEC) were employed to obtain remote sensing estimates of sulfur dioxide emissions from a coal fired hydroelectric generating station. The results from about one hundred half-hourly sampling periods shows that the COSPEC derived estimate is within 7% of those computed by the utility. The sources of the variance in the COSPEC flux estimate are examined and sampling recommendations regarding the use of COSPEC for this purpose are made.