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;. <br />I~ir. Dale eam <br />Cooley Gravel Company <br />20 i.:arch 19?5 <br />a.ge 18 <br />level (59 db) than did the blast, <br />T}-~e only community in •Jefferson County vrith a noise ordinance <br />is La]cevruod.. It is difficult to relate this ordinance to <br />i:orrison quarry operations due to the difference i.n zoning, <br />noise regulations being only defined for residential, <br />con:rnerical, and industrial areas and not for agricultural or <br />nineral conservation zones. :fo~,vever, tli? quarry would cause <br />no noise violations in surrounding areas for. which limits <br />are defined. It was found that there eras no recognizable <br />increase in the bacY,grot?nd not>e Level in the nearest <br />:esiderttial area due to quarry operations. There arnuld also <br />be no noise violation due to blasting since blasting is too <br />short in duration to be considered consequential, T'i.ere are, <br />however, s:ta11 noise level increases on the Cooler; r,co;or~~ty <br />(Sites ~t and D) and very close thereto(Sitr E). E~~en the <br />.mall increases of Sites :. and E would rct be in violation <br />of the Laicet:~ocd residential noise ordinance which sets tiie <br />limit at 55 db. For Site D, where the `realest noise eras <br />recorded, fire noise is still vriithin reasona.blc liraitc since <br />this level is about eoual to that of auto -i,raffir., a lame <br />store, or an accounting office. Considering the nat~.ire of <br />the quarry equipment it vrould appear that tiie quarry tsouid <br />cost closely reser~lbie an industrial zone for purposes o_' <br />noise control, in til:is case Site D would be 15 to 25 db <br />below -the 80 db industrial limit. <br />From the noise r,leasurements Caen it can be seen that even <br />if Lakevrood limits were applied to the I+:o.rrison area, there <br />:•could be no violations of noise ordinances: Fur+,her~.lore, <br />Cooley Gra•rel Company iias received no complaints Eton <br />government organizations or private citizens concerning any <br />aspect of their Liorrisor. quarry operations. <br />I welcome any questions or comments <br />to the data acquisition, reduction, <br />be of any further service to you in <br />not hesitate -to contact me. <br />Sincerely, <br />~Yr/!~L ~ ~ ~ ~~L~scrn. <br />nenneth .7, Carlson <br />you may have pertaining <br />or analysis. If I can <br />the future, please do <br />i'.iIC/Cg <br />