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WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2002-0225 16 ALPINE PACKING COMPANY,INC. WASTEWATER TREATMENT SYSTEM, SAN JOAQUIN COUNTY 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 ` 1. Wastewater discharged to the LTUs shall not exceed the following monthly average effluent limits, or any lower limits necessary to comply with the Groundwater Limitations: Constituent Concentration Total Dissolved Solids 1,300 mg/l 2. The maximum total nitrogen loading to the land treatment unit 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. 3. The maximum BODS loading to the land treatment unit 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. 100 lbs/acre-day on any single day; b. The maximum loading rate that ensures that the discharge will not create a nuisance. 4. The wastewater discharged to the land treatment unit shall not have a pH of less than 6.5 or . greater than 8.5. D. Land Treatment Unit Requirements: 1. The discharge shall be distributed uniformly on adequate acreage in compliance with the Discharge Specifications and Effluent Limitations. 2. As described in the April 2001 cropping plan, 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 treatment unit.