10 results
424B3
Oglethorpe Power Corp
5 Jan 10
Prospectus supplement
12:00am
Ambient Air Quality Standard (NAAQS) for ozone, requiring the installation of new control equipment. Significant reductions in nitrogen oxides
424B3
Oglethorpe Power Corp
16 Jun 09
Prospectus supplement
12:00am
were also imposed, under the prior 1-hour National Ambient Air Quality Standard (NAAQS) for ozone, requiring the installation of new control equipment
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