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MONITORING AND REPORTING PROGRAM NO. 90-312 AND 90-313 5 CITY OF LOCKEFORD WASTEWATER TREATMENT FACILITY SAN JOAQUIN COUNTY 1. Results of influent, effluent, storage pond, and recycled water land application area monitoring. 2. A comparison of monitoring data to the discharge specifications and an explanation of any violation of those requirements. Data shall be presented in tabular format. 3. If requested by staff, copies of laboratory analytical report(s). 4. A calibration log verifying calibration of all hand-held monitoring instruments and devices used to comply with the prescribed monitoring program. 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 15t day of the second month after the quarter (i.e. the January-March quarterly report is due by May l') and may be combined with the monthly report. The Quarterly Report shall include the following: 1. Results of groundwater monitoring. 2. 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 WDR, this MRP, and the Standard Provisions and Reporting Requirements. The narrative shall be supported by field logs for each well documenting depth to groundwater; parameters measured before, during, and after purging; method of purging; calculation of casing volume; and total volume of water purged. 3. Calculation of groundwater elevations, an assessment of groundwater now direction and gradient on the date of measurement, comparison of previous flow direction and gradient data, and discussion of seasonal trends if any. 4. A narrative discussion of the analytical results for all groundwater locations monitored including spatial and temporal tends, with reference to summary data tables, graphs, and appended analytical reports (as applicable). 5. A comparison of monitoring data to the groundwater limitations and an explanation of any violation of those requirements. 6. Summary data tables of historical and current water table elevations and analytical results. 7. A scaled map showing relevant structures and features of the facility, the locations of monitoring wells and any other sampling stations, and groundwater elevation contours referenced to mean sea level datum. 8. Copies of laboratory analytical report(s) for groundwater monitoring.