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Sanchez Industrial Design Inc. <br /> 3510 W. Beltline Hwy. <br /> Middleton, WI 53562 <br /> (608) 824-9428 <br /> The following graphs show the sound levels measured at both locations of interest. The <br /> graphs show how the sound level change throughout the day, with sound level increases <br /> during the day time hours and lower levels during the night time hours. These changes are <br /> mostly due to human activity like traffic on County Highway MM and other farm related <br /> activities. Site 2 provides a sample of the sound levels that can be expected at a residence <br /> and Site 1 provides the sound levels expected at a remote site with sources that include <br /> distant traffic (from County Highway MM) and natural sources (like wind and wind in the <br /> trees). <br /> Leq is the sound energy present at the site and it can be used to identify the "average sound <br /> level" for each hour. <br /> Lmax represent the loudest sound level measured during each hour. These levels are mostly <br /> due to truck traffic on County Highway MM. <br /> L(90) represents the lowest levels present at the site. This metric is used to characterize the <br /> "background" sound levels. <br /> Payne & Dolan -Town of Oregon Site 1 -Sept. 2-4, 2003 <br /> 1-hour Intervals <br /> i <br /> 80 <br /> 75 <br /> 70 <br /> 80• �--A M� " 11111111•1111/11 <br /> . Leq <br /> • <br /> • 55 L(90) <br /> u <br /> v 50 ■10111W Lm ax <br /> Ail <br /> 0 45 -.- <br /> (/) 40 <br /> 35 — — - <br /> 30 <br /> 0 0 0 0 0 a o 0 0 a a 0 0 0 a O o a a a 0 0 0 0 <br /> o 0 0 0 0 0 0 0 0 0 0 o O o 0 0 0 0 0 0 0 0 0 0 <br /> O o O o O o 0 0 0 0 O o O o o 0 0 0 0 0 0 0 0 o <br /> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Co 0 0 0 0 0 0 CO 0 Co <br /> O N 'V 00 O N O N N O N a t0 00 O N O N <br /> N 0 0 N O O O O O N N O O 0 O 0 O 0 O <br /> Time of Day <br /> (1109 <br /> Page 4 of 6 <br />