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6.3.3 Mitigation Measures <br /> 1. Mining sites must comply with the Department of Natural Resources reclamation requirements. <br /> On sites with existing mined slopes which are not subject to DNR regulations, slopes must be <br /> remediated to 1.5 horizontal : 1 vertical (1.5H:1V), except for glacial till slopes which can be <br /> remediated to 1H:1V slope if approved by a qualified geotechnical engineer. All remediated slopes <br /> must be covered with top soil material that will support vegetation,jute matting or equivalent; and <br /> be revegetated with hydroseed, groundcover and shrubs. (SEPA Earth and Water Policies) <br /> Section 7: ENVIRONMENTAL HEALTH <br /> 7.1 NOISE <br /> 7.1.1 Threshold <br /> All development in Everett must be in conformance with the requirements of EMC 20.08, the Noise <br /> Control Ordinance. Noise studies may be required to determine if a proposal is in conformance with <br /> the ordinance. <br /> Engine run-up noise is exempt during daytime hours from the City and County noise regulations, but <br /> can result in significant short-term noise levels in residential areas. Boeing is permitted to add <br /> additional engine run-up stations provided a noise study is completed which documents that noise levels <br /> will not exceed those established in the 1991 EIS for the Boeing Expansion. <br /> Other than noted above, any use that is exempt or partially exempt from EMC 20.08 and that exceeds <br /> the standards in EMC 20.08, including new jet engine run-up stations, must submit additional SEPA <br /> analysis of noise impacts. The City's Responsible Official may impose conditions to mitigate impacts <br /> beyond that required in the noise ordinance. <br /> 7.1.2 Mitigation Required by Existing Regulations <br /> All development must comply with the regulations and standards in effect at time of application, except <br /> as otherwise provided in this Mitigation Decision Document, including, but not limited to, the <br /> following: <br /> City of Everett <br /> Noise Control Ordinance (EMC 20.08) <br /> Everett Zoning Code (EMC Title 19) <br /> 7.1.3 Mitigation Measures <br /> 1. Warning devices on vehicles (back up beepers) are exempt from the City's noise ordinance, but are <br /> perceived as irritating by most people. Developments that abut residential zones must be designed <br /> 37 <br />