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water. The applicant will also comply with the erosion and dust control requirements of <br />the County Grading Ordinance during construction, and has concluded that with these <br />measures, there should be little, if any, potential adverse impact to the marine <br />environment. <br />17. Noise Impacts: According to the applicant, the existing noise environment consists of <br />ambient noise resulting primarily from traffic and incidental human activities, wind and <br />foliage, surf, birds, and intermittent flybys of helicopters and aircraft. In the short-term, <br />the project will generate construction traffic and construction equipment noise. The <br />applicant intends to comply with State of Hawaii noise regulations. Other mitigation <br />measures include limiting construction activities to certain periods of the day, requiring <br />all construction equipment to have approved exhaust and muffler systems, and adhering <br />to the State Department of Health blasting requirements. In the long-term, the noise <br />impacts will be associated with additional traffic, and noise from the project itself. <br />According to the applicant, because of the residential nature of the project, it is not <br />anticipated that the noise level will increase appreciably. <br />18. Air Quality: According to the applicant, the project will not generate any direct long- <br />term air quality impacts. The applicant states that the only discernible long-term impact <br />would be associated with vehicular traffic to and from the site, and that the impact should <br />not be significant with the anticipated low volume of traffic. The applicant states that <br />during the short-term, construction dust could affect the area's air quality, and indicated <br />that dust control measures would include watering, covering of open -bed trucks, taking <br />wind patterns into consideration during earthwork, and initiating landscaping early. <br />19. FIRM: Zone "X", an area outside of the 500 -year flood plain. <br />20. Coastal Hazards: The lower portion of the subject property is located approximately <br />300 feet from the shoreline, and falls within the Civil Defense Tsunami Evacuation zone. <br />The subject parcel is not an oceanfront parcel, and thus will not affect or be affected by <br />shoreline processes. The US Geological Survey (USGS) classifies this area — which <br />includes Kailua-Kona — as Lava Flow Hazard Zone 4, on a scale of ascending risk 9 to 1. <br />By way of reference, the City of Hilo is located within Zone 3, while the lower Puna area <br />-5- <br />