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MONITORING AND REPORTING PROGRAM NO. -3- <br /> MORADA PRODUCE COMPANY <br /> LINDEN PACKING SHED <br /> SAN JOAQUIN COUNTY <br /> Sampling Reporting <br /> Constituents Units Type of Sample Frequency Frequency <br /> SupplementalIrrigation2 inches/acre-month Calculated Daily ;Monthly <br /> Mix Ratio -- Calculated Daily Monthly <br /> BODS Loading Rate lbs/acre-day Calculated' Monthly Monthly <br /> Total Nitrogen Loading Rate lbs/acre-month Calculated Monthly Monthly <br /> Cumulative Nitrogen Load lbs/acre-year Calculated -- Monthly <br /> Total Dissolved Solids lbs/acre-year Calculated Monthly Monthly <br /> Runoff Visual Inspection Observation Daily Monthly <br /> 1 BODS loading shall be calculated using the daily applied volume of wastewater,estimated daily application area,and <br /> the most recent results of effluent BODS. <br /> 2 Wastewater Loading Rate and Supplemental Irrigation shall also be reported in gallons. <br /> 3 Mix ratio is the ratio Supplemental Irrigation divided by Wastewater Loading Rate. <br /> ° Total nitrogen loading rates shall be calculated using the daily applied volume of wastewater, estimated daily <br /> application area, and the most recent results of total nitrogen(sum of Nitrate as Nitrogen and Total Kjeldahl Nitrogen). <br /> 5 Runoff monitoring shall be performed when irrigation of the areas occurs. Frequency of monitoring during the day <br /> shall be sufficient to determine if runoff is occurring. <br /> In addition, the Discharger shall maintain a log of discharges to the land application area. Observations <br /> shall be noted and shall record which check is receiving wastewater;observations of ponding water, soil <br /> clogging, odors, insects, or other potential nuisance conditions. The notations shall also document any <br /> corrective actions taken. A copy of the notations recorded each month shall be submitted along with <br /> monthly monitoring reports. <br /> GROUNDWATER MONITORING <br /> Prior to construction and/or sampling of any groundwater monitoring wells, the Discharger shall submit <br /> plans and specifications to the Regional Board for review and approval. Once installed, all new wells <br /> shall be added to the MRP and shall be sampled and analyzed according to the schedule below. <br /> Prior to sampling, the groundwater elevations shall be measured and the wells shall be purged at least <br /> three well volumes until temperature,pH and electrical conductivity have stabilized. Depth to <br /> groundwater shall be measured to the nearest 0.01 feet. Samples shall be collected using standard EPA <br /> methods. Groundwater monitoring shall include, at a minimum, the following: <br /> Sampling Reporting <br /> Constituent Units Type of Sample Frequency Frequency <br /> Depth to Groundwater 0.01 ft Measurement Quarterly Quarterly <br /> Groundwater Elevation) 0.01 ft Calculated Quarterly Quarterly <br /> Gradient ft/ft Calculated Quarterly Quarterly <br /> Gradient Direction Degrees Calculated Quarterly Quarterly <br /> Total Dissolved Solids mg/L Grab Quarterly Quarterly <br /> Electrical Conductivity µmhos/cm Grab Quarterly Quarterly <br /> Nitrate as Nitrogen mg/L Grab Quarterly Quarterly <br /> Total Kjeldahl Nitrogen mg/L Grab Quarterly Quarterly <br /> V:\SwjGNuin-Nm 15'SulrObrimTSan Joaquin7oppiano Magda ProducCVdRPr Lda <br />