Each facility must meet the following pollution limits: <table class="layout-table"> <tbody> <tr> <td> <p class="text-indent-2">(1) Mercury:</p> </td> <td> <p>15 micrograms per dry standard cubic meter (μg/dscm) corrected at 7% O2</p> </td> </tr> <tr> <td> <p class="text-indent-2">(2) Sulfur Dioxide (SO2):</p> </td> <td> <p>18 parts per million dry volume (ppmvd) corrected at 7% O2 (24 hour geometric mean)</p> </td> </tr> </tbody> </table> Starting January 1, 2022, in addition to the limits imposed by subsection (b) of this section, each facility must meet the following pollution limits: <table> <tbody> <tr> <td>Dioxins/Furans (PCDD/F):</td> <td>2.6 nanograms TEQDF-WHO98 per dry standard cubic meter (ng/dcsm) corrected at 7% O2</td> </tr> <tr> <td>Nitrogen Oxides (NOx):</td> <td> <p>45 parts per million dry volume (ppmvd) corrected at 7% O2 (24 hour block arithmetic mean)</p> <p>40 parts per million dry volume (ppmvd) corrected at 7% O2 (12 month rolling average)</p> </td> </tr> </tbody> </table> Ord. 19-232