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affrOMMUMMM <br />Please refer to Section IV.V. for additional construction- related <br />mitigation measures to reduce hazardous waste impacts. <br />1. The City of Santa Ana's Public Works Director will coordinate <br />closely with all agencies and companies which maintain <br />underground or at -grade utility or energy facilities within the <br />areas to be disturbed by project construction activities. <br />Preliminary and final design plans will be made available to such <br />agencies for review and comment. At least 48 hours prior to <br />commencement of any excavation activities, the City will contact <br />the Underground Service Alert to notify the affected <br />utility/energy purveyors who can place their personnel at the <br />excavation site to assist in the location of underground facilities <br />during the exploratory digging immediately preceding excavation_ <br />In this manner, the risk of line rupture to natural gas; petroleum, <br />and sewer facilities, which might release hazardous substances and <br />odors into the air, can be minimized. <br />2. Should any unidentified substances, odors, leaking underground <br />tanks, or other mysterious and potentially hazardous materials be <br />encountered during project construction, work in that area will be <br />halted and the Santa Ana Fire Department's Hazardous Materials <br />Team will be contacted to evaluate the materials and to define <br />appropriate remedial measures. <br />3. The removal of underground storage tanks will be in accordance <br />with all applicable regulations. For any service stations that will <br />be partially acquired or displaced, the City will request that the <br />owners remove the underground gasoline tanks prior to property <br />acquisition. If the owners do not remove the underground tanks, <br />the City will include the following statement in the right -of -way <br />agreement: <br />"It is understood the property being acquired <br />in this transaction may contain hazardous <br />waste which must be removed or otherwise <br />treated under state or federal Law to protect <br />the public health. If hazardous waste is found <br />to exist on the property, the State may exercise <br />its right to bring an action, if necessary, to <br />recover clean -up costs from the grantors or <br />any others who are ultimately determined to <br />N -87 <br />75C -222 <br />