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Calculated ldn from long-term noise monitoring data <br />10 dBA 5 dBA <br /> TIME dBA Numbers... More <br />Numbers... <br />3/24/97 Midnight 0 / 24 53.0 199526 1995262 630957 Le Morning Peak Hour 7:00-10:00 a.m. <br />am 1:00 100 49.7 93325 933254 295121 58 dBA <br />2:00 200 50.0 100000 1000000 316228 <br />3:00 300 49.1 81283 812831 257040 Le Evening Peak Hour 4:00-8:00 p.m. <br />4:00 400 56.7 467735 4677351 1479108 59 dBA <br />5:00 500 58.2 660693 6606934 2089296 <br />t <br />li <br />d <br />00 <br />0 <br />• <br />6:00 600 60.1 1023293 10232930 3235937 pena <br />ze <br />) <br />Le NI httime 10: <br />pm-7:0 <br />a.m. (no <br />7:00 700 59.3 851138 8511380 2691535 55 dBA <br />8:00 800 58.1 645654 6456542 2041738 <br />9:00 900 57.4 549541 5495409 1737801 Le Daytime 7:00 am-10:00 p.m. <br />10:00 1000 56.7 467735 4677351 1479108 58 dBA <br />11:00 1100 57.8 602560 6025596 1905461 <br />12:00 1200 58.1 645654 6456542 2041738 Leq 24-Hour <br />pm 1:00 1300 58.5 707946 7079458 2238721 57 dBA <br />2:00 1400 59.3 851138 8511380 2691535 <br />3:00 1500 59,3 851138 8511380 2691535 Ldn: 10 dBA penalty for noise between 10:00 p.m. and 7:00 o.m. <br />4:00 1600 59.8 954993 9549926 3019952 62 dBA <br />5:00 1700 59.8 954993 9549926 3019952 <br />6:00 1800 59.1 812831 8128305 2570396 CNEL: 5 dBA penalty for noise between 7:OOp.m. and 10:00 p.m., <br />7:00 1900 57.4 ~ 549541 5495409 1737801 63 dBA and 10 dBA penalty for noise between <br />8:00 2000 54.1 257040 2570396 812831 10:00 p.m. and 7:00 a.m. <br />9:00 2100 55.8 380189 3801894 1202264 <br />10:00 2200 54.8 301995 3019952 954993 <br />pm 11:00 2300 54.1 257040 2570396 812831 CNEL =Ldn 0.25796741 <br />~~~~ <br />~~ <br />