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WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2002-0219 -23- FOR COUNTY OF SAN JOAQUIN FOR CONSTRUCTION AND OPERATION OF NORTH COUNTY RECYCLING CENTER AND SANITARY LANDFILL FACILITY, SAN JOAQUIN COUNTY 3. A transmittal letter explaining the essential points shall accompany each report. At a minimum,the transmittal letter shall identify any violations found since the last report was submitted, and if the violations were corrected. If no violations have occurred since the last submittal,this shall be stated in the transmittal letter. The transmittal letter shall also state that a discussion of any violations found since the last report was submitted, and a description of the actions taken or planned for correcting those violations, including any references to previously submitted time schedules, is contained in the accompanying report. 4. Each monitoring report shall include a compliance evaluation summary. The summary shall contain at least: a. For each monitoring point and background monitoring point addressed by the report, a description of: 1) The time of water level measurement; 2) The type of pump -or other device-used for purging and the elevation of the pump intake relative to the elevation of the screened interval; 3) The method of purging(the pumping rate; the equipment and methods used to monitor field pH, temperature, and conductivity during purging; the calibration of the field equipment; results of the pH, temperature, conductivity, and turbidity testing; and the method of disposing of the purge water) to remove all portions of the water that was in the well bore while the sample was being taken; 4) The type of pump -or other device-used for sampling,if different than the pump or device used for purging; and 5) A statement that the sampling procedure was conducted in accordance with the approved Sampling and Analysis Plan. b. A map or aerial photograph showing the locations of observation stations, monitoring points, and background monitoring points. c. For each groundwater body, a description and graphical presentation of the gradient and direction of groundwater flow under/around the Unit, and the groundwater flow rate,based upon water level elevations taken prior to the collection of the water quality data submitted in the report. d. Laboratory statements of results of all analyses evaluating compliance with requirements.