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0 <br />Port of Houston Authority <br />1.0 EXECUTIVE SUMMARY <br />In 1999, the Port of Houston Authority (PHA) commissioned a study of the Barbours Cut <br />Container Terminal (BCCT) to develop recommendations for procedures and facilities that <br />would increase its efficiency. The project team was lead by Moffatt & Nichol Engineers (M&N). <br />The recommendations developed as part of this study included modifying the existing entry gate <br />system by constructing a "precheck" entry gate. <br />The PHA's goals for the proposed modification of the BCCT are to address the traffic flow and <br />logistics, find the best method to accommodate BCCT's traffic, and minimize local air quality <br />impacts. ECON Capital, L.P. (TRC/ECON).was contracted by M&N to evaluate the effect of the <br />"precheck" entry gate on associated air emissions. <br />The air quality analysis has shown that the "precheck" entry gate would positively affect air <br />conditions near the BCCT. The "precheck" entry gate will result in a decrease in vehicular air <br />emissions by reducing the idle time, the total time a vehicle spends in the entry gate system. <br />The total air emissions from heavy-duty trucks will be decreased by approximately seventy two <br />percent compared to current entry and inspection emissions. Air emissions during the six- <br />month construction period, since they are only temporary, will have a minimal impact on the <br />over-all air quality in the BCCT area. Figure ES-1 compares the air emissions associated with <br />operating under the current entry gate system to those air emissions associated with operating <br />under the proposed "precheck" entry gate. Figure ES-2 displays the total one-time air <br />emissions associated with construction of the "precheck" entry gate. <br />Air Quality Impact Study February 2003 <br />Page 1 <br />