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6.3.1 '1'hreshold <br /> New mining activities are not addressed ir,th�s SEPA review. <br /> Section 7: ENVIROIVA7ENTAL HEALTIi <br /> 7.1 NOISE <br /> 7.1.1 Threshuld <br /> All devclopmem in Lverett must bc i�: �n��formnnce with the requirements of EMC 20.08,the Noise Control <br /> Ordinance. Noise studies may be reyuired to determine if a proposal is in conformance with the ordinance. <br /> [ngine run-up noise is exempt during daytime hours from the iiry and County noise reeulations, but can result in <br /> sicnificant short-term noise levels in residential areas. Boeing is permitted to add additional engine run-np stations <br /> pro��ided a noise study is completed which documents that noise Ievels will not exceed those established in the 1991 <br /> HIS for the 6oeing Espansion. <br /> Other than notcd above,any use that is exempt or paninlly exempt from EMC 20.08 and that excecds the standards <br /> in EMC 20.03, including new jet engine run-up stations, must submit udditional SEPA analysis of noise impacts. <br /> The Ciry's Responsible Official may impose conditions ro mitigate impacts beyond that required in the noise <br /> ordinance. <br /> 7.L; Mi�iq;rtion �9casin�es <br /> I. Warnin�devices on vehicles ;back up beepers) are e�empt from the City's noise ordinance,but are perceived as <br /> irritating by most people. Developments that abut residential aones must be desiened to shield vehicle <br /> maneuverine and loading areas from residential areas by placement of buildings, berms,etc. (SEPA <br /> Cnvironmental Flealth Policies) <br /> 7.2 TOXIC/IIAZARDOUS h1ATliRL�LS AND GXYLOSIVES <br /> 7.2.1 Threshold <br /> Additional SEP,A analysis is required for clenn-up uf contaminated sites. <br /> � <br /> 7.'_.3 \1itigation Jlcasures <br /> Constructiun Phasc <br /> I. Constructior. equipment and �ehicles must bc maintained so they do not leak fucls or lubricants. During <br /> wnstruction, a staeing area must be speci�ied fur all vehicle maintenance activities. The staging area must be <br /> located well aoay from all drainage courses. �Vhere possible, all stonnH•ater from related maintenance areas <br /> mus[ be directed to the sanitan�sewer, rather than the stormwater system. (SEPA Earth, Water and <br /> Hmiromnenril Health Policies) <br /> _. Durine construction activities, all spills of fuel and hazardous materials must be contained and removed in such <br /> a manncr as to prevent their entering the waters and soils of the State. Cleanup of spills must take precedence <br /> over other�vork on site. (SEPA Eanh, Water and Bnvironmental Henith Policies) <br /> � Z ��. <br /> � <br />