• Tons of carbon monoxide (CO) emitted in 1999 by OLS Energy (UC-Berkeley campus), Alameda County’s largest non-refinery individual (point) source: 120
• Tons of CO in 1999 from second-largest point source, Waste Management of Alameda County: 78
• Tons of carbon monoxide emitted per day by motor vehicles in the San Francisco Bay Area: 2,317
• Personal motor vehicles per 100 people in the Bay Area in 1975: 58
• Personal motor vehicles per 100 people in the Bay Area in 2000: 67
• Portion of ozone-making volatile organic compounds and nitrogen oxide emissions attributable to motor vehicles: 97.4%
• Portion of Bay Area particulate emissions attributable to motor vehicles: 50%
• Estimated deaths from heart and lung disorders attributable to particulate air pollution in San Francisco and Oakland in 1989: 1,270
• Deaths from auto accidents, same places, same year: 414
• Size at which airborne particles are small enough to lodge within the lungs: 10 microns
• Smallest particles that fall within EPA regulations: 10 microns
• Size at which breathable particles become most dangerous: 2.5 microns
• Size particles most prevalent in the Bay Area through February 2003: 2.5 microns
