California Air Resources Board 2006 Almanac (web) Appendix A San Diego Air Basin  Table A-24 Oxides of Nitrogen (NOx) Facility Name City Tons per Year Cabrillo Power I Carlsbad 224 Duke Energy-South Bay Power Plant Chula Vista 121 Reactive Organic Gases (ROG) Facility Name City Tons per Year National Steel & Shipbuilding San Diego 165 Directly Emitted Particulate Matter (PM10) Facility Name City Tons per Year Cabrillo Power I Carlsbad 169 Duke Energy-South Bay Power Plant Chula Vista 136 Directly Emitted Particulate Matter (PM2.5) Facility Name City Tons per Year Cabrillo Power I Carlsbad 169 Duke Energy-South Bay Power Plant Chula Vista 136