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WASTE DISCHARGE REQUIREMENTS ORDER NO. Iq ALPINE PACKING COMPANY,INC. WASTEWATER TREATMENT SYSTEM, SAN JOAQUIN COUNTY on total annual precipitation using a return period of 100-years, distributed monthly in accordance with historical rainfall patterns. 11. Freeboard in any pond shall never be less than two feet as measured from the water surface to the lowest point of overflow. 12. On or about 15 October of each year, available pond storage capacity shall at least equal the volume necessary to comply with Discharge Specifications B.10 and B.11. C. Effluent Limitations I. The maximum total nitrogen loading to the land application area shall not exceed the agronomic rate for Plant Available Nitrogen (PAN) for the type of crop to be grown, as specified in the most recent edition of the Western Fertilizer Handbook. PAN shall be calculated as 100% of the total nitrogen content of the waste, unless and until the Discharger demonstrates that another proportion is technically justified, as described in Provision G.6. 2. The maximum BODS loading to the land application area shall not exceed any of the following unless and until the Discharger demonstrates that another proportion is technically justified, as described in Provision G.5: a. 300 lbs/acre-day on any single day; b. 100 lbs/acre-day as a 7-day average; c. The maximum loading rate that ensures that the discharge will not create a nuisance. 3. The wastewater discharged to the land application area shall not have a pH of less than 6.5 or greater than 8.5. D. Land Application Area Requirements: 1. The discharge shall be.distributed uniformly on adequate acreage in compliance with the Discharge Specifications and Effluent Limitations. 2. Crops shall be grown on the application area. Crops shall be selected based on nutrient uptake capacity, tolerance to high soil moisture conditions, and consumptive use of water and irrigation requirements. Cropping activities shall be sufficient to take up all the nitrogen applied. Crops shall be harvested and removed from the application area. 3. Hydraulic loading of wastewater and irrigation water shall be at reasonable agronomic rates designed to minimize the percolation of process wastewater and irrigation water below the root zone (i.e., deep percolation) 4. The discharge of process wastewater, including runoff, spray or droplets from the irrigation system, shall not occur outside the boundaries of the land application area. ho CAFrojmt HmI SitesWpine PackingkNVMLdoc