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TRANSPORTATION OF AMMONIA RISK ANALYSIS <br /> would result in 33 or more fatalities is 0.0027/million miles x 73.9 miles, or 0.20 in one <br /> million. <br /> The CEC uses a significance threshold of 1 in 100,000 (or 10 in 1,000,000) for a risk of 10 <br /> fatalities and a threshold of 1 in 1,000,000 for a risk of 100 fatalities2. Both of the project's <br /> risk estimates (1.26 and 0.20 in one million) are well below these thresholds. Therefore,the <br /> risk of exposure to aqueous ammonia during transport to the plant site is not significant. <br /> 2 See Hazardous Materials Management section of the Final Staff Assessment for the Contra Costa Power Plant Unit 8(00- <br /> AFC-1),March 2,2001. <br /> 3 <br />