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WASTE DISCHARGE REQUIREMENTS ORDER NO. -25- MUSCO FAMILY OLIVE COMPANY AND THE STUDLEY COMPANY WASTEWATER TREATMENT AND LAND DISPOSAL FACILITY SAN JOAQUIN COUNTY of in a manner that is consistent with Title 27, Division 2, Subdivision 1 of the CCR and approved by the Executive Officer. 2. Treatment and storage of solids and sludges (including olive pits) shall be conducted in a manner that precludes infiltration of waste constituents into soils in a mass or concentration that will violate groundwater limitations. 3. Any storage of process wastewater solids or sludges (including olive pits) on the Discharger's property shall be temporary, controlled, and contained in a manner that minimizes leachate formation and precludes infiltration of waste constituents into soils. 4. Storage and disposal of domestic wastewater sludge(septage) shall comply with existing Federal, State, and local laws and regulations, including permitting requirements and technical standards. Sludge and other solids shall be removed from septic tanks as needed to ensure optimal operation and adequate hydraulic capacity. A duly authorized carrier shall haul sludge, septage, and domestic wastewater. 5. Any proposed change in solids use or disposal practice from a previously approved practice shall be reported to the Executive Officer at least 90 days in advance of the change. F. Groundwater Limitations: The discharge, in combination with other site-derived sources, shall not cause underlying groundwater to contain waste constituents in concentrations statistically greater than background water quality. G. Provisions: 1. All technical reports required herein that involve planning, investigation, evaluation, or design, or other work requiring interpretation and proper application of engineering or geologic sciences, shall be prepared by or under the direction of persons registered to practice in California pursuant to California Business and Professions Code sections 6735, 7835, and 7835.1. To demonstrate compliance with sections 415 and 3065 of Title 16, CCR, all technical reports must contain a statement of the qualifications of the responsible registered professional(s). As required by these laws, completed technical reports must bear the signature(s) and seal(s) of the registered professional(s) in a manner such that all work can be clearly attributed to the professional responsible for the work. 2. All of the following reports shall be submitted pursuant to Section 13267 of the California Water Code and shall be prepared by a registered professional as described by Provision G.1. a. By 1 October 2002, the Discharger shall submit a report describing the following: i. The installation of sufficient aerators in both the 1-million gallon and the 84-million gallon ponds such that the requirements of Discharge Specification No. B.5 will be continuously met. The report shall clearly show the calculations used to determine the number and size of the aerators.