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<br />I <br />.. <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />.. <br />I <br />I <br />I <br />I <br />I <br />I <br />Ie <br />I <br />I <br /> <br />A venuelI-694. These intersections, both signalized and unsignalized, were chosen after <br />consultation with the MPCA because of their low levels of service and their impact on the <br />surrounding area. The No-Build Alternative was not modeled because the 2020 Build <br />Alternative represents a worst-case situation. <br /> <br />Forecast traffic volumes and optimized signal timing was obtained from the Guidant <br />Corporation Traffic Impact Study, prepared by Parsons Transportation Group in July 2002. <br /> <br />Locations of likely outdoor human activity adjacent to the analyzed interchanges were <br />selected for air quality modeling receptors; Figure 13 depicts the receptor locations. <br />Carbon monoxide concentrations modeled for peak traffic volumes for the year 2020 are <br />shown in Tables 19 and 20. The CO concentrations shown for each receptor are the <br />predicted maximum CO concentrations taken from the results of all modeled wind angles <br />(0 - 360 degrees). <br /> <br />Summarv of Carbon Monoxide Studv Results <br /> <br />CO concentrations for the 2020 Full Build-Out scenario are below state and federal <br />standards in 2020 for all receptors in both the A.M. and P.M. modeled conditions. The <br />highest modeled concentration is found at Receptor 7, and is 7.4 ppm in the afternoon <br />peak. Full model results are presented in Tables 19 and 20. <br /> <br />23. STATIONARY SOURCE AIR EMISSIONS <br /> <br />EAW: <br />WILL THE PROJECT INVOLVE ANY STATIONARY SOURCES OF AIR EMISSIONS <br />(SUCH AS BOILERS OR EXHAUST STACKS)? NO l YES <br /> <br />IF YES, DESCRIBE THE SOURCES, QUANTlTIES, AND COMPOSITION OF THE <br />EMISSIONS; THE PROPOSED AIR POLLUTION CONTROL DEVICES; THE <br />QUANTITIES AND COMPOSITION OF THE EMISSIONS AFTER TREATMENT; <br />AND THE EFFECTS ON AIR QUALlTY. <br /> <br />AUAR: <br />This item is not applicable to an AUAR. Any stationary air emission source large enough <br />to merit environmental review requires individual review. <br /> <br />There will be additional boilers as needed for the heating requirements of new built space. <br /> <br />24. DUST, ODORS AND NOISE <br /> <br />EAW: <br />WILL TIlE PROJECT GENERATE ODORS, NOISE OR <br />CONSTRUCTION AND/OR OPERATION? <br /> <br />DUST DURING <br />NO X YES <br /> <br />Guidant Campus Master Plan <br />Final AUAR and Mitigation Plan <br /> <br />-44 - <br /> <br />January 2003 <br />