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(the residence near the end of Bird Road) will be below a natural barrier and far enough from the <br /> residence to be negligible in effect. <br /> The noise levels of the trucks entering and leaving the plant were measured at a point on the east side <br /> of Bird Road 1100 feet north of the entrance to the plant (at the gas line crossing). The monitor was <br /> placed at the edge of the road right of way. The levels of ten rigs northbound (loaded) and eight <br /> i southbound (empty)were recorded. A complete listing of the traffic measurements along Bird Road <br /> is contained in the following table. <br /> TABLE 2. <br /> Truck Traffic Noise Levels <br /> y: Measured August 4, 1994 <br />! ' Lmax SEL <br /> Exceedance No. Time Duration dBA dBA <br /> 150 08:19 00:15.62 .77.6 80.8 <br /> 283 08:33 00:20.81 84.6 87.7 <br /> 359 08:51 00:13.65 80.1 82.8 <br /> 522 09:27 00:12.09 79.6 82.6 <br /> 523 09:28 00:24.87 84.6 86.7 <br /> 629 09:42 00:17.75 84.6 88.5 <br /> 758 09:58 00:12.84 77.4 80.4 <br /> 813 10:07 00:15.59 84.9 87.6 <br /> 851 10:16 00:20.25 81.6 85.8 <br /> i <br /> Average SEL (10 rigs) northbound (loaded) 85.1 <br /> 4 <br /> 275 08:31 00:13.81 76.0 80.2 <br /> 351 08:49 00:10.93 78.6 82.2 <br /> 354 08:49 00:36.34 82.0 89.6 <br /> 450 09:19 00:16.56 85.5 88.7 <br /> 598 09:39 00:12.09 78.8 82.4 <br /> 663 09:45 00:12.37 82.5 85.7 <br /> 710 09:51 00:09.18 75.8 80.6 <br /> Average SEL (8 rigs) southbound (empty) 85.1 <br /> Note: The values for exceedances were taken directly from the data printout of the traffic <br /> noise measurements and may be related to that printout by Exceedance Number. <br /> j4 <br /> 4 <br />