Costs of PM Wet Scrubbers

The costs of installing and operating a scrubber include both capital and annual costs. Capital
costs are all of the initial costs related to scrubber equipment and installation. Annual costs are the
direct yearly costs of operating the scrubber, plus indirect costs such as overhead, capital recovery,
taxes, insurance, and administrative charges. The following sections discuss capital and annual costs forscrubbers, referenced to the third quarter of 1995 unless otherwise noted.