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CITY OF LODI • 7 <br /> WHITE SLOUGH WATER POLLUTION CONTROL FACILITY <br /> SAN JOAQUIN COUNTY <br /> MONITORING AND REPORTING PROGRAM <br /> 7. A statement of compliance or non-compliance with the site use restrictions contained in <br /> Order No. <br /> SOIL PROFILE MONITORING <br /> A minimum of six representative locations shall be established for soil profile sampling of the <br /> fields where effluent and biosolids are applied. The following shall constitute the monitoring <br /> program: <br /> Measurement Units Soil Profile Frequency <br /> Nitrate Nitrogen mg/kg 4 feet' Annually <br /> Kjeldahl Nitrogen mg/kg 4 feet' Annually2 <br /> Soluble Salts3 mg/kg 4 feet Annually2 <br /> f <br /> 2 <br /> Heavy Metals 4 mg/kg 4 feet' Annually <br /> ' Samples shall be collected at 1-foot increments. <br /> 2 Each location shall be sampled during the month of March. <br /> 3 Soluble salts shall be determined using test methods described in Methods of Soil Analysis,Part 2, <br /> Chemical and Microbiological Properties,Second Edition;Edited by Page,Miller and Keeney; <br /> American Society of Agronomy,Inc.,Soil Science Society of America,Inc. 1982,or other acceptable <br /> test methods with prior approval of Executive Officer. Analytical results shall report the soil/water <br /> ratio. <br /> 4 Arsenic,Cadmium,Chromium,Copper,Lead,Mercury,Molybdenum,Nickel,Selenium,and Zinc <br /> WATER SUPPLY MONITORING <br /> A sampling station shall be established where a representative sample of the municipal water <br /> supply can be obtained. Water supply monitoring shall include at least the following: <br /> Sampling <br /> Constituents Units Frequency <br /> Electrical Conductivity' µmhos/cm Annually <br /> @ 25°C <br /> Total Dissolved Solids mg/1 Annually <br /> ' If the source water is from more than one well,the EC shall be reported as a weighted average and <br /> include copies of supporting calculations. <br />