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MONITORING AND REPORTING PROGRAM -5- CITY OF STOCKTON FRENCH CAMP LANDFILL LIMITED CLASS III LANDFILL SAN JOAQUIN COUNTY 5 of Chapter 15. The water quality monitoring system and program shall be sufficient to demonstrate compliance, or lack thereof, with the Water Quality Protection Standard. Existing water quality monitoring stations and data can be proposed for incorporation in the revised monitoring system and program. The proposal shall includes A. Proposed conceptual design and location of water quality monitoring points including those at the point of compliance (§2550.7); B. Proposed monitoring parameters, constituents of concern, and their monitoring frequencies (§2550.7 and §2550.8) C. Proposed concentration limits and/or methods for establishing concentration limits (§2550.4); and, D. Proposed statistical methods for determining statistically significant evidence for a release from WMUs. The Discharger shall also propose a monitoring system and program pursuant to §2550.10 of Chapter 15 for determining the effectiveness of any corrective actions. Ground Water Monitoring The existing ground water monitoring system consists of "background" monitoring well MW-5 and downgradient monitoring wells MW-1, MW-2, MW-3, and MW-4. The Discharger shall continue to monitor these wells for the constituents and parameters specified below at the specified frequency until the Discharger°s revised monitoring program is approved by the Board and the monitoring system is operational. Parameter/Constituent Units Freguencv Temperature °C Quarterly Turbidity N.T.U. Quarterly Specific Conductance (field) µmhos/cm Quarterl pH (field) pH units Quarterly Total Dissolved Solids mg/l Quarterly Chloride mg/l Quarterly SulfiTRPHte 3 mg/ l Semi-annually TPH as �iesel mg/l Semi-annually Cadmium mg/l Annually Lead mg/l Annually Mercury mg/l Annually