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MONITORING AND REPORTING PROGRAM NO. 5-01-269,Revision 2 KEARNEY-NATIONAL,INC.AND ALPINE BUILDERS,INC. FORMER KEARNEY-KPF FACILITY GROUNDWATER TREATMENT AND DISPOSAL SYSTEM SAN JOAQUIN COUNTY As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, all reports shall be prepared by or under the direct supervision of a Registered Engineer or Geologist and signed by the registered professional. A. Monthly Operation Reports The Discharger shall submit to the Regional Board and Department of Toxic Substances Control monthly operation reports by the 15`h day of the following month. These operational reports shall contain a summary of the results of monitoring, including effluent and injection well flow rates,volume of treated water, pressure readings, and water levels, operation and maintenance activities for that month, and a summary of any shutdown and/or spill events that occur that month. B. Quarterly Monitoring Reports Quarterly reports shall be submitted to the Regional Board on the 1st day of the second month following the end of each calendar quarter(i.e., by 1 February, l May, 1 August, and 1 November). At a minimum, the reports shall include: 1. A description and discussion of the sampling event and results, including trends in the concentrations . of pollutants,how and when samples were collected, and whether the pollutant plume(s) is being captured; 2. A summary of operation and maintenance tasks performed, including inspections, problems encountered repairs, maintenance, and equipment replacement performed (as applicable); 3. The reasons for and duration of all interruptions in the operation of the remediation system, and actions planned or taken to correct and prevent interruptions, if applicable; 4. Results of influent data and effluent and extraction well monitoring. Data shall be presented in tabular format in such a manner as to clearly illustrate trends in concentrations for each well over time; 5. A comparison of monitoring data to the effluent limits and discharge specifications and an explanation of any violation of those requirements; 6. Copies of all laboratory analytical report(s) that includes laboratory quality assurance/quality control sampling data; 7. A calibration log verifying weekly calibration of any field monitoring instruments (e.g.,DO, pH, EC meters)within seven days prior to their use; and 8. Any proposed change in the extraction well network with justification for the change.