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MONITORING AND REPORTING F_ .GRAM NO. -;- SPENKER RANCH, INC. JESSIE'S GROVE WINERY SAN JOAQUIN COUNTY monitoring reports. If wastewater was not applied to the land application area, then the monthly monitoring reports shall so state. SOLIDS MONITORING The Discharger shall record and report monthly the quantity, disposal location, and method of disposal of solids disposed of during the processing season, as well as during the off-season, if applicable. If solid waste is shipped offsite, then an estimated amount and location of disposal shall be reported in the monthly report and the hauler identified. GROUNDWATER MONITORING Groundwater monitoring shall commence with the fourth quarter 2004. Prior to construction and/or sampling of any groundwater monitoring wells, the Discharger shall submit plans and specifications to the Board for approval. Once installed, all new wells shall be added to the monitoring network and shall be sampled and analyzed according to the schedule below. All samples shall be collected using approved EPA methods. Water table elevations shall be calculated to determine groundwater gradient and direction of flow. Prior to sampling, the groundwater elevations shall be measured and the wells shall be purged at least three well volumes until temperature, pH, and electrical conductivity have stabilized. Depth to groundwater shall be measured to the nearest 0.01 feet. Groundwater monitoring shall include, at a minimum, the following: Type of Sampling Reporting Constituent Units Sample Frequency Frequency, Depth to Groundwater ±0.01 feet Measurement Quarterly Quarterly Groundwater Elevation[ ±0.01 feet Calculated Quarterly Quarterly Gradient feet/feet Calculated Quarterly Quarterly Gradient Direction Degrees Calculated Quarterly Quarterly pH pH units Grab Quarterly Quarterly Nitrate as Nitrogen mg/L Grab Quarterly Quarterly Total Kjeldahl Nitrogen mg/L Grab Quarterly Quarterly Total Dissolved Solids mg/L Grab Quarterly Quarterly Standard Minerals 2,3 mg/L Grab Annually Annually Groundwater elevation shall be determined based on depth-to-water measurements from a surveyed measuring point elevation on the well. Z Standard Minerals shall include at least the following compounds: boron, calcium, iron,magnesium,potassium, sodium, chloride, sulfate,total alkalinity(including alkalinity series),and hardness. 3 Standard Minerals shall be analyzed in the fourth quarter of the year. 4 Beginning with the fourth quarter,2004. REPORTING In reporting monitoring data, the Discharger shall arrange the data in tabular form so that the date, sample type (e.g., influent monitoring, groundwater monitoring well, etc.), and reported analytical result for each