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7.B. - Page 80 <br /> Redwood City Chapter 4.Environmental Impact Analysis <br /> Exceed Threshold? No No <br /> Source:Ashworth Leininger Group 2012.Table C-2. <br /> To evaluate cumulative health risks,the BAAQMD recommends that health risks associated with the <br /> project be combined with health risks from the following sources located within 1,000 feet from a <br /> proposed project: other stationary sources permitted by the District that emit TACs; freeways, <br /> highways,and major roadways with annual daily traffic of 10,000 or more; and additional approved <br /> or proposed projects emitting TACs.Table 4.4-9 summarizes the cumulative risks associated with <br /> the original project plus the proposed modifications.Additional documentation is provided in <br /> Appendix A.As shown in the table,cumulative health risk impacts associated with operation of the <br /> proposed modifications would be less than significant. <br /> Table 4.4-9. Cumulative Health Risk Analysis for Original Project Plus the Proposed Modifications <br /> Excess Cancer Risk Chronic Non-cancer <br /> Component (per million) Health Index <br /> Maximum Project-Level Impacts 2.1 (residential) 0.001 (residential) <br /> Permitted Stationary Sources Identified by the none identified none identified <br /> BAAQMD as Emitting TACs <br /> Freeways,Highways,and Major Roadways: <br /> Woodside Road(630 feet west of project) 6.4 0.006 <br /> Middlefield Road(510 feet north of project) 1.1 - <br /> Rail Corridors: <br /> Caltrain Passenger Rail Service 20.0 0.017 <br /> Freight Rail Service 4.6 0.004 <br /> Proposed Dumbarton Passenger Rail 2.2 0.001 <br /> Proposed California High Speed Rail (Electrified) - - <br /> Additional Approved or Proposed Modifications: <br /> City of Redwood City none identified none identified <br /> San Mateo County none identified none identified <br /> Maximum Cumulative Health Risksa 36.5 0.028 <br /> BAAQMD Thresholds > 100 > 10 <br /> Exceed Threshold? No No <br /> Source:Ashworth Leininger Group 2012.Table C-3. <br /> Notes: <br /> a Maximum cumulative health risk is the sum of excess cancer risk for receptors receiving maximum <br /> exposure relative to each of the identified freeways,highways,major roadways,and rail corridors as well <br /> as the original project plus the proposed modifications.. <br /> e. Create objectionable odors affecting a substantial number of people? <br /> Less-than-Significant New Impact.The fueling center is a potential odor source due to evaporative <br /> emission losses from gasoline dispensing at the facility,but such odors are generally readily <br /> dissipated within the breezy conditions of Redwood City.As noted in the 2007 FEIR(page 4.5-9),the <br /> fueling center is required to install and operate emission controls to reduce emissions of gasoline <br /> vapors.The combined effect of emissions controls,distance setbacks,and generally favorable wind <br /> Addendum No.2 to the Environmental Impact Report for 4-35 September 2012 <br /> the Redwood City Costco Wholesale Project ICF 00154.12 <br />