California Air Resources Board 2009 Almanac (web) Chapter 2 Statewide Table 2-5 Oxides of Nitrogen (NOx) Air Basin Facility Name City Tons/Year Mojave Desert Cemex Quarry Apple Valley 4955 Mojave Desert TXI Riverside Cement Company Oro Grande 4446 Mojave Desert California Portland Cement Co. Mojave 3126 Mojave Desert Mitsubishi Cement Lucerne Valley 2789 San Francisco Bay Area Valero Refining Company - Cali Benicia 2253 Mojave Desert Searles Valley Minerals Trona 1982 San Francisco Bay Area Tesoro Refining And Marketing Martinez 1635 San Francisco Bay Area Hanson Permanente Cement Cupertino 1364 San Francisco Bay Area Shell Martinez Refinery Martinez 1279 Mojave Desert PG&E Topock Compressor Station Needles 1261