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s REVISED MONITORING AND REPORTING PROGRAM 97-037 -2- MUSCO OLIVE PRODUCTS, INC.AND THE STUDLEY COMPANY WASTEWATER TREATMENT AND DISPOSAL FACILITY SAN JOAQUIN COUNTY WASTEWATER POND MONITORING Samples shall be collected from an established sampling station located in an area, which will provide a sample representative of the wastewater in the pond. Samples shall be collected from all wastewater storage ponds, irrigation checks that contain standing water, and new ponds that are constructed. Pond monitoring shall include at least the following: Constituents Units Type of Sample Sampling Fre uenc Reporting Frequency Freeboard Feet Measurement Monthly Monthly Dissolved Oxygen mg/1 Grab Weekly Monthly Pond Condition NA Observation Daily Monthly Pond condition monitoring shall include daily determination of berm condition,wastewater overflows,and odor conditions(none, slight,moderate,strong). LAND APPLICATION AREA MONITORING Application of wastewater to the land application area shall be monitored to prevent overloading the area with wastewater constituents, which can cause objectionable odors and/or groundwater degradation. The following parameters shall be calculated and reported in the monthly monitoring reports. Constituents Units Type of Sample Frequency Application Area acres Measured' Daily Crop Planted acres Measured' Daily Hydraulic Loading Rate inches/acre/month Calculated Monthly BODS Loading Rate lbs/acre/day Calculated Daily Total Nitrogen Loading Rate lbs/acre/month Calculated Monthly Tailwater Generation Visual Inspection Observation Dail Y4 Provide a map identifying field names and acreages. 2 BOD5 loading shall be calculated using the daily applied volume of wastewater,estimated daily application area and the most recent results of effluent BODS. 3 Total nitrogen loading rates shall be calculated using the daily applied volume of wastewater,estimated daily application area,and the most recent total nitrogen results. 4 Runoff monitoring of the application areas shall be performed daily. Frequency of monitoring during the day shall be sufficient to determine if runoff is occurring. In addition, the Discharger shall maintain a daily log of discharges to the land application area. Notations shall record which area is receiving wastewater, observations of ponding water, saturated soil, odors, insects, or other potential nuisance conditions. The notations shall also document any corrective actions taken. A copy of the entries made in the log during each month shall be submitted along with monthly monitoring reports.