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` POTENTIALLY <br />ISSUES POTENTIALLY SIGNIFICANT LESS THAN NO <br /> SIGNIFICANT UNLESS SIGNIFICANT IlVVIPACT SOURCES <br /> ISSUES MITIGATION IMPACT <br /> INCORPORATED <br />f Otherwise substantiall de ade water uali ? X 2 <br />g. Place housing within a 100-year flood hazard X 2 <br />area as mapped on a federal Flood Hazard <br />Boundary or Flood Insurance Rate Map <br />(FIRM) or other flood hazard delineation ma ? <br />h. Place within a 100-year flood hazard area X 2 <br />structures, which would impede or redirect <br />flood flows? <br />i. Expose people or structures to a significant risk X 2 <br />of loss, injury or death involving flooding, <br />including flooding as a result of the failure of a <br />levee or dam? <br />Inundation b seiche, tsunami, or mudflow? X 2 <br />k. Exposure of people property to water related X 2 <br />hazards such as tidal waves? <br />EXPLANATION: The project area exists as a mostly developed urban environment. The proposed project includes streetscape and <br />design elements that will enhance the commercial and business environment; calm traffic and enhance pedestrian movement; and <br />create an attractive city gateway along a specific portion of MacArthur Boulevard. This~will include the installation of new street <br />lights, park benches, trash receptacles, and new landscaping. Minor roadway modifications are also proposed, including the <br />construction of medians, bulb-outs and installation of decorative paving. Short-term water quality and storm drain impacts <br />associated with construction of specific projects can be expected. However, due to the short length of construction time and the fact <br />that elements of the Plan would be built out over a number of years as funding is made available, and with standard conditions of <br />approval, including implementation of an erosion-control plan, these short-term impacts are anticipated to be less than significant. <br />With buildout of the proposed project, no hydrology/water quality impacts are anticipated. <br />5. AIR QUALITY. Where available, the significance criteria established by the applicable air quality management pr air <br />ollution control district! may berelied u on to make the followin deter°minations. 'Would the ra'ect: <br />a. Conflict with or obstruct implementation of the X 2 <br />a licable air uali lan? <br />b. Violate any air quality standard or contribute X 2 <br />substantially to an existing or projected air <br />quality violation? <br />c. Result in a cumulatively considerable net X 2 <br />increase of any criteria pollutant for which the <br />project region is non-attainment under an <br />applicable federal or state ambient air quality <br />standard (including releasing emissions which <br />exceed quantitative thresholds for ozone <br />recursors)? <br />d. Expose sensitive receptors to substantial X 2 <br />ollutant concentrations? <br />e. Create objectionable odors affecting a X 2 <br />substantial number of eo le? <br />EXPLANATION: The project area exists as a mostly developed urban environment. The proposed project includes streetscape and <br />design elements that will enhance the commercial and business environment; calm traffic and enhance pedestrian movement; and <br />create an attractive city gateway along a specific portion of MacArthur Boulevard. This will include the installation of new street <br />lights, park benches, trash receptacles, and new landscaping. Minor roadway modifications are also proposed, including the <br />construction of medians, bulb-outs and installation of decorative paving. As a result of this project, traffic volumes along MacArthur <br />Boulevard are not anticipated to increase, hence no impact ontraffic-related air quality is anticipated. <br />MacArthur Boulevard streetscape Master Plan - IS/ND 5 December/2000 <br />