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' Draft Supplemental Environmental Impact Report Page IV.0-7 Forward Inc. Landfill 2018 Expansion Project ' Table IV.0-3: Existing Noise Environment in the Project Area ' Location Time Period Ldn&Leg WBA) Noise Sources Site 1: Austin Rd., June 5, 12:00 24-hour Ldri s= Unattended noise measurements do approximately 0.4 a.m. through 71, 71, 72 not specifically identify noise miles north of June 7, 11:59 sources. However,the noise results landfill entrance. p.m.,2018 Hourly average clearly indicate the plant was a 80 feet east from Tuesday- Leq's ranged constant source of noise at this ' center of Austin Rd. Thursday from: location. 72-hour 63-70 measurement Site 1: Austin Rd., June 4,2018 5-minute results: Amresco Power Plant across road approximately 0.4 11:36—11:46 Leq's=66, 66 (approx. 190 feet from meter) miles north of a.m. L90's=61, 61 resulted in a background noise level ' landfill entrance. of 61 dB. Heavy trucks and other 80 feet east from traffic along Austin Rd.,birds center of Austin Rd. chirping. Loudest heavy truck pass- by resulted in an Lmax of 79 dB. Site 2:Austin Rd. June 5, 12:00 24-hour Ldri s= Unattended noise measurements do at landfill entrance. a.m. through 72, 73, 73 not specifically identify noise 40 feet west from June 7, 11:59 sources. center of Austin p.m.,2018 Hourly average Rd., south of Tuesday Leq's ranged entrance. Thursday from: ' 72-hour 52 -71 measurement Site 2:Austin Rd. June 4,2018 5-minute results: Birds chirping (up to 51 dB),heavy at landfill entrance. 11:03—11:13 Leq's=63,63 duty trucks and other vehicles along 47 feet west from a.m. L90's=46,52 Austin Rd. and turning into/out of center of Austin the landfill entrance. A heavy truck ' Rd., south of pass-by resulted in an Lmax of 77 entrance. dB.Background noise was about 43 dB. Site 3:Austin Rd., June 5, 12:00 24-hour Ldn's= Unattended noise measurements do south of S curve, a.m. through 67, 67, 68 not specifically identify noise approximately 1.7 June 7, 11:59 sources. miles south of p.m.,2018 Hourly average landfill entrance. Tuesday- Leq's ranged 56 feet east from Thursday from: center of Austin Rd. 72-hour 48-66 measurement Site 3:Austin Rd., June 4,2018 5-minute results: Heavy trucks and other traffic along south of S curve, 12:41-12:51 Leq's=60,61 Austin Rd. Maximum noise level of approximately 1.7 p.m. L90's=44,45 77 dB was from a heavy truck pass- miles south of by.Airplanes were up to 55 dB. landfill entrance. Traffic from French Camp Rd.was