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WASTE DISCHARGE REQUIREMENTS ORDER NO,R5-2002-0225 2 ALPINE PACKING COMPANY,INC. WASTEWATER TREATMENT SYSTEM,SAN JOAQUIN COUNTY Product Name Stren h Chemical Dura Foam 5-15% Potassium Hydroxide Kick No. 301 5% Sodium Dichloroisocyanurate Trolley Wash No. 245 80% Sodium Hydroxide WASTEWATER SYSTEM 9. Wastewater is collected in floor drains within the facility. Some solids are removed by the floor drain screens. From the floor drains, wastewater is discharged to one of two sumps, and is then piped to Pond No. 1. A rendering company regularly removes solids that settle in the sumps and solids removed from floor drains. 10. The wastewater treatment system consists of two sumps, four unlined wastewater ponds (without aeration), a pumping station, and a 14-acre land treatment unit. The ponds are estimated to be approximately 10 to 14 feet deep. 11. Wastewater flows between ponds at levels that are set by pipes installed in the berms. This results in minimal fluctuation of wastewater levels. Therefore the ponds provide only a small amount of storage capacity. 12. The Discharger has collected wastewater samples in accordance with its Monitoring and Reporting Program and for the RWD preparation. Treated wastewater samples were collected from the wastewater pond prior to discharge to the land treatment unit. The average wastewater quality for samples collected from 1 January 2001 to 26 August 2002 is presented in the table below. Analyte Units Minimum/Maximum/Avera e Total Kjeldahl Nitrogen mg/1 5160/27 Nitrate as N mg/l ND/ND/ND Biochemical Oxygen Demand' mg/l 1081 Fixed Dissolved Solids mg/l 580/1670/1280 Volatile Dissolved Solids' mg/1 1401 pH Std. 6.9/8.8/NA 1 One sample collected on 19 November 2001. 13. The flow rate of wastewater discharged to the land treatment unit was measured after repair of a wastewater flow rate meter in January 2001. In the time period from January 2001 to August 2002, the flow rate to the land treatment unit has averaged approximately 33,600 gpd. Flow rates varied from no discharge to approximately 203,000 gpd; however, discharges that occurred on Saturday, Sunday, or holidays were added to the flow recorded on Monday when the meter was read. The Discharger does not currently meter the volume of wastewater entering the ponds. Upon adoption of this Order, the Discharger will be required to record the wastewater flow rate whenever wastewater is discharged from the ponds to the land treatment unit and to install a meter to record the volume of wastewater discharged into the ponds.