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WASTE DISCHARGE REQUIREMENTS -10- <br /> CITY OF MANTECA AND CITY OF LATHROP <br /> WASTEWATER QUALITY CONTROL FACILITY <br /> SAN JOAQUIN COUNTY <br /> compliance no later than the date specified in those requirements or, in <br /> the case of a new industrial user, upon commencement of the discharge. <br /> 9. The Discharger shall perform the pretreatment functions as required in 40 <br /> CFR Part 403 including, but not limited to: <br /> a. Implement the necessary legal authorities as provided in 40 CFR <br /> 403.8(f) (1) ; <br /> b. Enforce the pretreatment requirements under 40 CFR 403.5 and 403.6; <br /> C. Implement the programmatic functions as provided in 40 CFR <br /> 403.8(f) (2) ; and <br /> d. Provide the requisite funding and personnel to implement the <br /> pretreatment program as provided in 40 CFR 403.8(f) (3) . <br /> 10. To comply with Effluent Limitation E.4, the Discharger shall submit the <br /> submit the Mineralization Plan by 1 October 1991 and implement the plan <br /> within 60 days of approval by the Executive Officer. <br /> 11. The Discharger shall submit annually a report to EPA and the Board de- <br /> scribing the Discharger's pretreatment activities over the previous 12 <br /> months. In the event that the Discharger is not in compliance with any <br /> conditions or requirements of this permit, the Discharger shall include <br /> the reasons for noncompliance and state how and when the Discharger shall <br /> comply with such conditions and requirements. This annual report is due <br /> on 31 January of each year and shall contain, but not be limited to, the <br /> items listed in Section G of the Special Provisions and Reporting Require- <br /> ments (NPOES) . <br /> 12. In order to comply with Effluent Limitations B.2 and B.S, the Discharger <br /> shall submit 120 days in advance of the upgraded plant start-up, a <br /> technical report for the maximization of land disposal of wastewater at <br /> agronomic rates, which specifies: <br /> a. Crop types to be used and their associated water and nutrient uptake <br /> rates; <br /> b. Seasonal wastewater and sludge application rates based on hydraulic <br /> capacity (based on a monthly water balance) , BOD removal capacity, <br /> nutrient uptake rates, and heavy metal accumulated rates; and <br /> C. Application and runoff control techniques. <br /> 13. If future studies indicate that additional nitrogen removal is necessary <br /> to protect water quality, the Board may revise and modify this Order to <br /> include more stringent nitrogen limitations. <br />