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<br />Noise Me<!surements at <!n Actual Sand aod Gra'lel OJ"'l"iItion and Other Everday Noises <br /> <br />(1) Noise measurements were 1aken at the Mathy ConstructiOn Sievertson Sand and Gravel . <br />Operation on 0ct00er 3 and 5, 2000. Results are provided below. . <br />{2) Background noise measurements were a1so1aken al the inlersection of C1>unIy Highways 8 <br />and P on October 7, 2000. Results are provided below. . <br />(3) Reference eve/}'day noise levels were ob1aifled korn the league of the Hard of Heanng. <br />1hese noises are also provided for reference. <br /> <br />Location <br /> <br />Sand and Gravel Operation NOise LeYef~ <br /> <br />Jmmediately adjacent to primal)' crusher <br /> <br />Noise Level <br />{in Decibels. dBA} <br /> <br />immediately adjacent to screener <br /> <br />88 <br /> <br />~ Immediately adjacent to generator <br /> <br />95 <br /> <br />Immediately adjacent to ioading trucks <br /> <br />99 <br /> <br />Average <br /> <br />76 <br /> <br />90 <br /> <br />500 feet from processing equipment <br /> <br />750 feet from processing equipment <br />{behind berm) <br /> <br />60 <br /> <br />49 <br /> <br />1000 feet from processing eqUipment <br />(behind berm) <br /> <br />47 <br /> <br />1500 feet 110m PTDCessing equipment <br />(behild berm) <br /> <br />43 <br /> <br />2 mJes from JJroce.ssng equipment . <br /> <br />1000 feet from fJf'OCessins equipment <br />(no 1Jenn) <br /> <br />47 <br /> <br />56 <br /> <br />OthnrE~~ <br /> <br />HigJ...t B & P ~ <br /> <br />Highway II & P ~UIInd When .....,. pass <br />,.,... <br />1m........., 4acent ID "" Traetor In high Idle <br /> <br />57 <br /> <br />75 <br /> <br />,,-_...tbinei~_. .. <br /> <br />t7 <br /> <br />--- <br /> <br />eo <br />