Laserfiche WebLink
6 <br />(2) Data ar•e ~thered in order to present a n~obef• of 'sound level <br />pcriodstetJa,nueber or4Dre,r~sen~i~ivLmsxtesnthar~iarerpotantielly s~ns1- <br />tive to noise. <br />(D) The impacts of identii'ied and anticipated r~o1se sourc,as cn <br />baseline (pre-project} cc,rditions and noise sensi~•ive receptr.•rs are <br />analyzed. <br />(4} i4ltigation measures that are needad to reduce tl~e_niicipated <br />noise impacts to an acceptable level arc evalu~rted. <br />In order to provide a valid comparison of sound levels hoth with <br />end vlithout the noise impacts of the mining operation and as:;ociated <br />activities, care should be ta;:en to gzther data that rear7sznt Sound. <br />levels eiitl~out the projact (i.e. true baseline conditions) rzther thatti <br />the sound levels associated Nith the devetopaant Chat has already taken <br />place .n anticipation of obi&i~~ing a Federal coal lose. EYA believes <br />21st the noise analysis should include a comparison of the noise impacts <br />of hau]inCr coal in truc;cs Filth tl:e impacts of transporting ii: by con- <br />veyor. This canparison should ta!<e in~o ccnsideraiion Lh2 1~vel and <br />quality of sound produced by cacti tren~poria rg method, tied w antici- <br />pated 1?v?ls of coal production and noise sensitive uses along the <br />transpar•ta'Cicn corridors. <br />Anoth°e area of concern related to EPA's authority and expeti•t-1se <br />in the field of noise is 'tl~c. n;scrtion in i:h~ EAR (Page III-d) that "the <br />area ire which noiso ti`ram co75truction equi~.~rer;t ivauld be perrepiable is <br />r~2arly ir~~passib1e to predi~c." !!c believe that 'the once that v:ould be <br />iapacted by construttien nuis~ can bo pr2dic~ted a:rd should be discussed <br />1n the FAR. Furthernore, the anticipated intreasas in conanu:nity noise <br />levols duo t, Cli~11i11~L`i73 secondary ir~pacts and the noise iT,p;,cts of <br />varieus aiCernative r:cys of transporting n;,rt~rials And ~quipa,cnt to Che <br />project should also b4 3<ldressed. EPA Rrgion 'JIiI noise staff crave <br />assisted both Lfie 1~10n'tl'OSL' District Orfice and the apalicant's con- <br />sultant in id~nt-ifying de'ta Heads and p•,~+~:iding L•Pfi dui:3 that may be <br />usa;ul in analyzing the ,iois'a ir~rnacts of tii3 project. <br />Air ualit <br />.~ltt~ough the d2scripi:ion of air quality in the sL-udy area indi- <br />cates that i:he air in the liorih nor'.: vnlley is of Bond quality, very <br />fc: bzseiin~ data arc presented in support of Chis cssar'iann. Be- <br />cause of this, Cl;a conclusions of the Udis study a;e din"r`icult to <br />un~larstand. Are the three :;ounces of air pollution 1d~ni:'lf'ied by Udts <br />(?ago 11-4) "major" in cr,;;;i,a•,•isan to the national LlrlbiQlS~ a'il' quality <br />_r <br /> <br />