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REVISED MONITORING ANDRTING PROGRAM NO. 93-213 • WOODBRIDGE SANITARY DIST SAN JOAQUIN COUNTY SLUDGE The Discharges-shall keep monthly records of the amount of sludge dried in the sludge drying beds, the amount of sludge hauled off site, and the location of sludge disposal. These records shall be submitted with the monthly monitoring reports. REPORTING In reporting monitoring data, the Discharger shall arrange the data in tabular form so that the date, sample type (e.g., effluent, pond, groundwater well, 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 at the locations specified in the Monitoring and Reporting Program shall be reported in the neat 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 tuZder the direct supervision of a California Registered Professional Engineer or Geologist and signed by the registered professional. A. Monthly Monitoring Reports Monthly reports shall be submitted to the Regional Board by the 1" day of the second month following the end of the reporting period (i.e. the January monthly report is due by 1 March). At a minimum, the reports shall include: 1. Results of the influent, effluent, and pond monitoring. 2. Results of the sludge monitoring. _ 3. A discussion of the progress made in acquiring and/or constructing additional storage capacity such that the Discharger is in compliance with its WDRs. 4. A comparison of the monitoring data to the discharge specifications and an explanation of any violation of those requirements. Data shall be presented in tabular format. 5. If requested by staff, copies of laboratory analytical report(s). 6. A calibration log verif dng calibration of all monitoring instruments and devices used to fulfill the prescribed monitoring program. B. Quarterly Monitoring Reports Quarterly Monitoring Reports shall be submitted to the Regional Board by the 1St day of the second month following the end of the quarter (i.e. the January-March quarter report is due by May 1 st) each year. Monthly reports for the months of March, June, September, and December may be submitted as part of the Quarterly Monitoring Report, if desired. The Quarterly Report shall include the following: 1. A narrative description of all preparatory, monitoring, sampling, and analytical testing activities for the groundwater monitoring. The narrative shall be sufficiently detailed to verify compliance with the WDRs,this MRP, and the Standard Provisions and Reporting Requirements. The narrative shall be supported by field logs for each well documenting depth