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May 6, 2021 <br />Page 11 <br /> <br /> <br />5005-003acp <br /> <br /> printed on recycled paper <br /> As demonstrated in the table above, SWAPE estimated the excess cancer risk <br />of approximately 124.9 in one million over the course of a residential lifetime from <br />Project construction and operation combined.47 The infant, child, adult, and lifetime <br />cancer risks all exceed the BAAQMD threshold of 10 in one million, thus resulting <br />in a potentially significant impact which is more severe than the health risk <br />identified in the Checklist, and was not previously addressed in the General Plan <br />EIR or the Checklist. <br /> <br />SWAPE concluded that the screening-level HRA demonstrates that <br />construction and operation of the Project could result in a potentially significant <br />health risk impact, when correct exposure assumptions and up-to-date, applicable <br />guidance are used.48 SWAPE further explains that the Checklist contains no <br />mitigation to address the Project’s operational health risk, and that the Project’s <br /> <br />47 SWAPE Comments p. 21. <br />48 SWAPE Comments p. 22. <br />The Closest Exposed Individual at an Existing Residential Receptor  <br />Activity Duration  <br />(years)  <br />Concentration  <br />(ug/m3)  <br />Breathing   <br />Rate (L/kg‐ <br />day)  <br />ASF Cancer Risk  <br />with ASFs*  <br />Construction 0.25 * 361 10 *  <br />3rd Trimester   <br />Duration 0.25      <br />3rd  <br />Trimester   <br />Exposure  <br />  <br />Construction 1.42 * 1090 10 *  <br />Operation 0.58 0.3138 1090 10 2.6E‐05  <br />Infant Exposure   <br />Duration 2.00     Infant   <br />Exposure 2.6E‐05  <br />Operation 14.00 0.3138 572 3 8.2E‐05  <br />Child Exposure   <br />Duration 14.00     Child   <br />Exposure 8.2E‐05  <br />Operation 14.00 0.3138 261 1 1.3E‐05  <br />Adult Exposure   <br />Duration 14.00     Adult   <br />Exposure 1.3E‐05  <br />Lifetime Exposure   <br />Duration 30.00     Lifetime   <br />Exposure 1.2E‐04  <br />* Construction‐related cancer risk calculated separately in the Checklist.   <br />  <br />101