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WASTE DISCHARGE REQUIREIIVE TS ORDER NO. .J -3- HOUSLEY FAMILY INVESTMENTS DBA HOUSLEY VINEYARDS WINERY SAN JOAQUIN COUNTY 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 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 Professional Engineer or Geologist and signed by the registered professional. A. Monthly Monitoring Reports Monthly reports for effluent and holding pond 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 I March). Monthly reports for the months of March, June, September, and December may be submitted as part of the Quarterly Monitoring Report, if desired. B. Quarterly Monitoring Reports Quarterly Monitoring Reports shall be submitted to the Regional Board by the 181 day of the second month following the end of the quarter(i.e. by 1 May, 1 August, 1 November, and 1 February of each year). The Quarterly Report shall include the following: 1. A narrative description of all preparatory,monitoring, sampling, and analytical testing activities. 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 to groundwater; parameters measured before, during, and after purging; method of purging; calculation of the casing volume; and total volume of water purged. 2. Calculation of groundwater elevations, an assessment of the groundwater flow direction and gradient on the date of measurement, comparison to previous flow direction and gradient data, and discussion of seasonal trends, if any. 3. A narrative discussion of the analytical results for all media and locations monitored, including spatial and temporal trends, with reference to summary data tables, graphs, and appended, analytical reports (as applicable). 4. A comparison of monitoring data to the discharge specifications, groundwater limitations and surface water limitations, and explanation of any violation of those requirements. 5. Summary data tables of historical and current water table elevations and analytical results. 6. A scaled map showing relevant structures and features of the facility,the locations of monitoring wells and other sampling stations, and groundwater elevation contours referenced to mean sea level datum. 7. Copies of laboratory analytical report(s).