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%W1 I%ww <br /> MONITORING AND REPORTING PROGRAM ORDER NO. -2- <br /> RICHARD A. STAGNO, AND <br /> STAGNO'S MEAT COMPANY <br /> SAN JOAQUIN COUNTY <br /> Compounds Units Sampling Frequencv <br /> Salinity mg/kg Annual' <br /> Nitrogen mg/kg Annual' <br /> Phosphorus mg/kg Annual' <br /> Potassium mg/kg Annual' <br /> I Annual samples shall be collected prior to the onset of the rainy season. <br /> Upon written request from the Discharger,manure solids may be disced into the cropland soil prior to <br /> planting,provided the analytical results from the previous year of operation indicate the soil is deficient <br /> in nitrogen, phosphorus, or potassium. <br /> GROUNDWATER MONITORING <br /> Groundwater samples shall be collected for analysis after the monitoring well(s)has been adequately <br /> purged. Purging is defined as either three well volumes or until stabilization of temperature,pH, and <br /> electrical conductivity. <br /> After installation and development, all monitoring wells shall be measured for depth to water and shall <br /> be sampled and analyzed for baseline concentrations of general minerals (consisting of calcium, <br /> magnesium, potassium, sodium, chloride, sulfate,nitrate, TDS, alkalinity series,pH, and hardness), <br /> boron,phosphate, Total Kjeldahl Nitrogen, and ammonia. In addition, the sample from the upgradient <br /> well shall be analyzed for a Nitrogen stable isotope ratio analysis. Upon collection and analysis of <br /> baseline groundwater samples from each monitoring well, the following monitoring program shall be <br /> implemented: <br /> Compounds Units Sampling Frequency' <br /> Depth to Groundwater? 0.01 feet Semi-Annual' <br /> Nitrate mg/1 Semi-Annual' <br /> TDS mg/l Semi-Annual' <br /> I The groundwater frequency may be reduced to annual,collected during the height of the dry season(summer),provided that <br /> after five years of monitoring,compound concentrations have not varied significantly from background. <br /> 2 A standard reference elevation(measured in feet mean sea level)for each monitoring well point-of-measurement shall be <br /> provided. Groundwater levels must be measured prior to sampling. <br /> 3 Semi-annual samples shall be collected during the height of the wet and dry seasons(i.e.winter and summer,respectively). <br /> In addition, the on-site supply well shall be sampled and analyzed during the first, third and fifth year <br /> of monitoring. The groundwater sample shall be analyzed for the same compounds as required for the <br /> monitoring wells. Measurements for groundwater levels may be deleted if well head access is <br /> unavailable. Upon written request from the Discharger, analyses for Nitrate and TDS may be deleted <br />