SITE INFORMATION AND CORRESPONDENCE 1980-1999

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MONITORING AND REPORTING PROGRAM -6- CITY OF LODI WHITE SLOUGH WATER POLLUTION CONTROL PLANT SAN JOAQUIN COUNTY SOIL PROFILE MONITORING A minimum of six representative locations shall be established for soil profile sampling of the fields where effluent and sludge are applied. The following shall constitute the monitoring program: Measurement Units Soil Profile Frequency Nitrate Nitrogen mg/kg 4 feet' Annually' Kjeldahl Nitrogen mg/kg 4 feet' Annually' Soluble Salts' mg/kg 4 feet' Annually' Total Metals` mg/kg 4 feet' Annually' ' Samples shall be collected at 1-foot increments. ' Each location shall be sampled during the month of February 3 Soluble salts shall be determined using test methods described in Methods of Soil Analysis, Part 2, Chemical and Microbiological Properties, Second Edition; Edited by Page, Miller and Keeney; American Society of Agronomy, Inc. , Soil Science Society of America, Inc. : 1982 Page 168 et seq. , or other acceptable test methods with prior approval by the Executive Officer. Analytical results shall report the soil/water ratio. ' Total Metals shall include analyses for Cadmium, Chromium, Copper, Lead, Nickel , and Zinc. STORM WATER MONITORING The Discharger shall perform storm water monitoring as follows: 1 . Conduct an annual inspection to evaluate whether measures to reduce pollutant loadings identified in the SWPPP are adequate and properly implemented. 2. Observe and/or test for the presence of non-storm water discharges at least twice during the dry season (May through September) . 3. Conduct visual observations of all storm water discharge locations during the first hour of one storm event per month that produces significant storm water discharge (a continuous discharge of storm water for approximately one hour or more) to observe the presence of floating and suspended materials, oil and grease, discolorations, turbidity, and odor, etc.