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ORDER N0.RS-2018-0017 14 <br /> CONDITIONAL WAIVER OF WASTE DISCHARGE REQUIREMENTS <br /> FOR DISASTER-REIATED WASTES WITHIN THE CENTRAL VALLEY REGION <br /> ensure compliance the following minimum prescriptive and performance <br /> standards: <br /> a) The bottom of a temporary waste pile shall be placed at least 5 feet above <br /> the highest historically known or anticipated level of groundwater, and more <br /> than 100 feet from any surface water of the state. <br /> b) Temporary waste piles shall be protected from inundation or washout. <br /> c) Temporary waste piles shall not be located on a known Holocene fault. <br /> d) Temporary waste piles shall not be located in areas of potential rapid <br /> geologic change (e.g., landslides, debris flows, flash flood areas, etc.). <br /> e) Temporary waste piles shall be adequately covered when rainfall, wind, or <br /> other conditions exist or are predicted to exist in order to prevent rainwater <br /> infiltration and runoff, and to control fugitive dust, vectors, odors, blowing <br /> litter, and scavenging. The cover shall not consist of or contain material <br /> classified as a designated waste 7 <br /> f) Temporary waste management operations that include wastes with a liquid <br /> content exceeding its moisture-holding capacity and/or containing free <br /> liquids shall comply with requirements for temporary surface impoundments <br /> in accordance with the specific conditions in Section E of this Conditional <br /> Waiver, below. <br /> g) Temporary waste piles shall be designed, constructed and operated to limit, <br /> to the greatest extent possible, ponding, infiltration, inundation, erosion, <br /> slope failure, and washout. Surface drainage from outside of the temporary <br /> waste pile shall be diverted from the location of the temporary waste pile <br /> through implementation of MMs/BMPs for storm water control and <br /> conveyance. <br /> 5. When applicable, owners/operators of temporary waste piles not located at a <br /> regulated waste disposal facility shall obtain coverage under the General Permit <br /> for Storm Water Discharges Associated with Construction Activities, and <br /> prepare a Storm Water Pollution Prevention Plan to obtain coverage under this <br /> Conditional Waiver. <br /> 6. Owners/operators of temporary waste piles not on regulated facilities shall <br /> discharge any return water or ponded water contained within the temporary <br /> waste pile to a sanitary sewer system, a regulated facility permitted to receive <br /> 7'Designated waste"as defined in California Code of Regulations Title 27,section 20210 <br />