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MONITORING AND REPORTING*GRAM NO. 5-01-269 -4- KEARNEY-NATIONAL, INC.AND UPRIGHT CONSTRUCTION FORMER KEARNEY-KPF FACILITY GROUNDWATER TREATMENT AND DISPOSAL SYSTEM SAN JOAQUIN COUNTY Type of Sampling Reporting Constituent Units Sample Frequency Frequency Volatile Organic Compounds' µg/1 Grab Annually, Annually, Electrical Conductivity µmhos/cm Grab Annually, Annually, Electrical Conductivity(Field) µmhos/cm Grab Quarterly Quarterly Total Dissolved Solids mg/1 Grab Annually, Annually, pH pH units Grab Annually, Annually, pH(Field) pH units Grab Quarterly Quarterly Temperature (Field) 'Celsius Grab Annually, Annually, Water Level 0.01 feet msl Grab Quarterly Quarterly ' Required analytical method shall be either USEPA Method 8260B or 8021 B. The maximum detection limits must meet the lowest reporting limit in the State Water Resources Control Board Policy for Implementation of Toxics Standard for Inland Surface Waters,Enclosed Bays and Estuaries of California(Appendix 4,minimum levels)or Department of Health Services detection limits for purposes of reporting(DLRs). 2 All extraction wells,piezometer B-4,monitoring wells KD-5,K14,KI-8,and PX-1,and any wells installed subsequent to the issuance of this MRP shall be monitored and reported on a quarterly basis. REPORTING In reporting monitoring data, the Discharger shall arrange the data in tabular form so that the date, sample type (e.g., influent, 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 at the locations specified in the Monitoring and Reporting Program shall also be reported to the Regional Board. As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, all Groundwater Monitoring Reports shall be prepared by or under the direct supervision of a Registered Engineer or Geologist and signed by the registered professional. A. Monthly Monitoring Reports The Discharger shall submit to the Regional Board and DTSC monthly operation reports by the 15th 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.