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Munn LS perkins.ou-1-y Exca'vaalor,Pef€nli <br /> wnw assurtled to produce an aNerage e%ent noise exposure level of 50 df3 SEL vnhhin a residence <br /> 61) feet from the centerline oFthe roads; (75 dB exterior 51;1,). Ilk noise exposure is based on <br /> naed urealtc€tts crf indi%idual automobile )asst v s dong Ernst River Road conducted bN BAC in <br /> 2005. Additionally, an exterior-to-interior noise lcxel reduction of 25 dB (with doors and <br /> Nvjn mo s clotted i5 considered to be a conservative assunt 71ion for transportation noise sources <br /> including automobiles. trucks, train, and aircraft. given that We residential construction satisfies <br /> anodern building code requirements and doors and tx irtdms are in Mood �wrkijw order. The <br /> probabili1% i1f flat resident; located 60 feet fi-orn Fast River Road aNN akcning at least once front the <br /> existing tr-allii: noise sours: \%al calculated to be appwAruatefv 92 percent. Ibis result emphasizes <br /> the 114 nificallt existing.traffic noise exl.7osrrr'e of residents near East River Road in the project area. <br /> Aldi,aims �Ifzf...vlwr ° ).-1.1 �,r,€])cr '[� .4-16 i?f tlt�� DT'M b; r'��r�r.b'�cl��rs fc�llnsr,i�: <br /> Furthermore. truck parking amikere along River Road and the use of jake brakesNaM s at the <br /> NAcl lenr`' A.1 WE, River fltoad intersection Land tje L, River Roadfpro�ect drivemy is prokbited. <br /> t he aMdicarnn shall ntonitrlr full tinge. Ru complinnre with th se. requirements beg-linnirm; 3(} <br /> Wj-1.ut,:j7rJ,-,r to i arj- a vl-)n NC(I c x tend Cd Iiour o>,-r t-toj, <br /> Changes to Chapter 4, Alternatives <br /> Changes to Chapter 5, Other CEQA Considerations <br /> Changes to Chapter 7, List of Acronyms <br /> Changes to Appendix D, Air Quality <br /> 4-4 ES.41 211086 <br /> r€r,i Sa,wAn2M 1 <br />