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��) <br />EXHIBIT R -7 <br />NOISE IMPACT RATINGS <br />a. Site <br />Noise impact of locating a landfill in a given area will <br />depend on adjoining land use (within 1/2 mile of the site) <br />Predominant Adjoininq Land Use Im act Ratin B <br />Rural 3 <br />Transition 3 <br />Developed 5 <br />b. Travel Route <br />The noise impact along the travel route is determined by the <br />population density and the haul distance. The evaluation includes <br />the anticipated travel routes from the centers of waste generation <br />to each candidate site. <br />1. Population <br />Number of Houses <br />>100 <br />76 -100 <br />51 -75 <br />26 -50 <br />. <26 <br />2. Haul Distance <br />5 -22 -91 <br />Impact Ratinq, B <br />5 <br />4 <br />3 <br />2 <br />1 <br />Weighted average haul distance is calculated for each candidate <br />site based on the distances from the centers of waste generation <br />to each candidate site. <br />Distance in Miles <br />0 -3 <br />4 -7 <br />8 -11 <br />12 -15 <br />>15 <br />Impact Ratinq, B <br />1 <br />2 <br />3 <br />4 <br />5 <br />