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REVISED MONITORING AND REPORTING PROGRAM 97-037 Z _ MUSCO FAMILY OLIVE COMPANY AND THE STUDLEY COMPANY WASTEWATER TREATMENT FACILITY SAN JOAQUIN COUNTY Constituents Units Type of Sample Sampling Frequency Reporting Frequency Freeboard Feet Measurement Monthly Monthly Dissolved Oxygen mg/I Grab Daily Monthly Dissolved Sulfide mg/1 Grab Daily Monthly pH Std. Grab Daily 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. By 1 October 2002, the Discharger shall install a sufficient number of meters to continuously monitor the flow out of the settling/storage ponds to the land application areas. No wastewater shall be applied without metering. If portable pumps are used to discharge wastewater to the land application area or a storage pond, additional meters shall be installed at every discharge point. Constituents Units Type of Sample Frequency Flow gpd Metered Daily Application Area acres Measured' Daily Crop Planted acres Measured' Daily Hydraulic Loading Rate inches/acre/month Calculated Monthly BOD5 Loading Rate lbs/acre/day Calculated Daily Total Nitrogen Loading Rate lbs/acre/month Calculated Monthly Tailwater Generation Visual Inspection Observation Daily° Provide a map identifying field names and acreages. 2 BODS 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. a 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.