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Jonathan Hayes - Greystar <br />Updated March 15, 2017 - Page 4 <br /> <br /> <br /> <br />Figure 1. TAC Influence Area (1,000 feet) <br /> <br /> <br />Table 1 Combined Community TAC Levels <br />Source <br /> <br />Cancer Risk <br />(per million) <br />Annual <br />PM2.5 <br />(µg/m3) <br />Acute or <br />Chronic <br />Hazard <br />Index <br />El Camino Real traffic <br />Screening <br />Refined modeling <br /> <br />10.5 <br />2.8 <br />0.15 <br />0.3 <br /><0.01 <br /><0.01 <br />Jefferson Ave traffic at 200 ft East 2.4 0.08 <0.02 <br />Plant 17462 at 900 ft 3.7 <0.001 <0.01 <br />Plant 13509 at 420 ft 3.0 0.004 <0.01 <br />Caltrain rail line at ~400 ft. with Electrification <br />Caltrain rail line at ~400 ft. without Electrification <br />4.2 <br />9.6 <br />0.02 <br />0.02 <br /><0.01 <br /><0.01 <br />Combined Source Total 16.1 – 21.5 0.41 <0.06 <br />Single Source Threshold 10.0 0.3 1.0 <br />Combined Source Threshold 100.0 0.8 10.0 <br />Exceed Threshold? No No No <br />Note: The maximum for each source does not occur in the same place on the project site, but this combined <br />level assumes that scenario as a conservative worst-case assessment. <br />8.A. - Page 87