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City of Pleasanton—Hidden Canyon Residences and Preserve <br />Draft EIR Air Quality <br /> <br /> <br />FirstCarbon Solutions 3.2-5 <br />https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480016/EIR/3 - Draft EIR/21480016 Sec03-02 Air Quality.docx <br />Criteria Pollutant <br />Physical Description and <br />Properties <br />Most Relevant Effects from <br />Pollutant Exposure Sources <br />• A precursor to sulfate and <br />PM10. <br />Lead (Pb) • A solid heavy metal that <br />can exist in air pollution as <br />an aerosol particle <br />component. <br />• Impaired mental <br />functioning in children <br />• Learning disabilities in <br />children <br />• Brain and kidney damage <br />• Lead smelters <br />• Piston-engine aircraft <br />operating on leaded <br />aviation gasoline <br />• Waste incinerators <br />• Utilities <br />• Lead-acid battery <br />manufacturers <br />• Dust from soils <br />contaminated with lead- <br />based paint <br />Hydrogen Sulfide • A toxic air contaminant <br />with flammable, colorless, <br />poisonous gas that smells <br />like rotten eggs. <br />• Nuisance odor (rotten egg <br />smell) <br />• At high concentrations: <br />headache and breathing <br />difficulties <br />• Manure <br />• Storage tanks <br />• Ponds <br />• Anaerobic lagoons <br />• Land application sites <br />• Combustion of sulfur- <br />containing fuels (oil and <br />coal) <br />Sulfates • Occur in combination with <br />metal and/or hydrogen <br />ions <br />• Many sulfates are soluble <br />in water. <br />• Hospitalization for <br />respiratory disease <br />• Asthma-related <br />emergency room visits <br />• Increased symptoms, <br />increased inhaler usage <br />• Combustion of gasoline <br />and diesel fuel <br />Visibility- <br />reducing Particles <br />• A mixture of small <br />particles that consist of <br />dry solid fragments, <br />droplets of water, or solid <br />cores with liquid coatings. <br />• The particles vary in <br />shape, size, and <br />composition. See the <br />physical description and <br />properties of PM10 and <br />PM2.5 above. <br />• Reduced airport safety, <br />scenic enjoyment, and <br />road safety <br />• Fuel or wood combustion <br />for electrical utilities, <br />residential space heating, <br />and industrial processes <br />• Construction and <br />demolition <br />• Metals, minerals, and <br />petrochemicals <br />• Wood products processing <br />• Mills and elevators used in <br />agriculture <br />• Erosion from tilled lands <br />• Waste disposal <br />• Recycling <br />• Vehicle exhaust <br />• Road dust <br />Vinyl Chloride • A chlorinated <br />hydrocarbon and a <br />colorless gas with a mild, <br />sweet odor. <br />• Central nervous system <br />effects, such as dizziness, <br />drowsiness and <br />headaches <br />• Vinyl chloride-containing <br />plastics left to decompose <br />in solid waste landfills,