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• MONITORING AND REPORTING PROGRAM -3 - PAT 3 -PAT MITCHELL AND CALIFORNIA NATURAL PRODUCTS WASTEWATER TREATMENT AND DISPOSAL FACILITY SAN JOAQUIN COUNTY Sampling Reporting Constituent Units Type of Sample Frequency Freauencv Groundwater elevation feet Measurement Quarterly Quarterly pH S.U. Grab Quarterly Quarterly Total Dissolved Solids mg/I Grab Quarterly Quarterly Fixed Dissolved Solids mg/1 Grab Quarterly Quarterly Nitrate as Nitrogen mg/1 Grab Quarterly Quarterly Kjeldahl-Nitrogen (as N) mg/1 Grab Quarterly Quarterly Ammonia as Nitrogen mg/I Grab Quarterly Quarterly Total Coliform Organisms MPN/100 ml Grab Quarterly Quarterly Trihalomethanes' µg/1 Grab Annualz Annual2 Analysis for this parameter shall be performed using EPA Method 8010 or equivalent. 2 Annual samples shall be collected in the fust quarter(January-March)sampling event. REPORTING In reporting monitoring data, the Discharger shall arrange the data in tabular form so that the date, sample type (e.g., effluent, groundwater, etc.), and reported analytical result for each sample are readily discernible. The data shall be summarized in such a manner to clearly illustrate compliance with waste discharge requirements and spatial or temporal trends, as applicable. The results of any monitoring done more frequently than required by the Monitoring and Reporting Program, including wastewater data collected for industrial wastewater discharge permits, shall be reported in the next scheduled monitoring report. As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, all groundwater monitoring reports shall be prepared under the direct supervision of a California Registered Engineer or Geologist and signed by the registered professional. A. Monthly Monitoring Reports Monthly reports shall be submitted to the Regional Board on the 1"day of the second mouth following sampling (i.e. the January Report is due by 1 March). At a minimum, the reports shall include: 1. Results of effluent and flow monitoring. 2. Land application log book entries and calculations. 3. A comparison of monitoring data to the effluent limitations and an explanation of any violation of those requirements. Data shall be presented in tabular format. 4. If requested by staff, copies of laboratory analytical report(s). B. Quarterly Monitoring Reports The Discharger shall establish a quarterly sampling schedule for groundwater monitoring such that samples are obtained approximately every three months. Quarterly monitoring reports shall be submitted to the Board by the 1" day of the second month after the quarter(i.e. the January-March quarter is due