California Air Resources Board 2006 Almanac (web) Chapter 2 Statewide Table 2-5 Oxides of Nitrogen (NOx) Air Basin Facility Name City Tons/Year Mojave Desert Cemex - Black Mountain Quarry Apple Valley 4754 Mojave Desert TXI Riverside Cement Company Oro Grande 4235 Mojave Desert California Portland Cement Mojave 2942 Mojave Desert Mitsubishi Cement 2000 Lucerne Valley 2770 San Francisco Bay Area Valero Refining Company Benicia 2064 Mojave Desert Searles Valley Minerals Trona 2021 San Francisco Bay Area Shell Martinez Refinery Martinez 1733 San Francisco Bay Area Tesoro Refining And Marketing Martinez 1493 Mojave Desert National Cement Lebec 1283 Mojave Desert PG&E Topock Compressor Station Needles 1140