In February 1977, a study was conducted to obtain the atmospheric rate of sulfate formation in an oil#x2010;fired power plant plume. The power plant studied is located 70 km northwest of Tampa, Florida, and during the study period it was burning fuel oil that contained about 2 percent sulfur and significant concentrations (#x2010; 250 ppm) of vanadium. Aerial sampling was performed to obtain the sulfur dioxide and sulfate concentrations in the plume. The wind flow field was also measured. Analysis of the data indicates no conversion (0.00014 hr#x2010;1#xB1;0.00053) of SO2to sulfate in that region of the plume where data was collected (plume age 20 minutes). However plume fall#x2010;out of particulate sulfate before sampling began is not ruled out.
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