SITE INFORMATION AND CORRESPONDENCE

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WASTE DISCHARGE REQUIREMENTS ORDER NO. -3- AKF DEVELOPMENT LLC FORMER SPRECKELS SUGAR COMPANY MANTECA PLANT SAN JOAQUIN COUNTY If the Discharger finds that the concentration of one or more Constituents of Concern have exceeded the approved Concentration Limit(s), the Discharger shall perform the tasks outlined under the heading "RESPONSE TO A RELEASE"located in the Standard Provisions. 3. Monitoring Points Groundwater: The current upgradient groundwater Monitoring Points are monitoring wells MW-5 and MW-3. The corrective action Groundwater Monitoring Points shall be MW-Ir, -2r, -6r, -25, -26, and— 27. These Groundwater Monitoring Points shall also include any monitoring wells installed after the adoption of these MRPs. Groundwater monitor well locations are shown on Attachment B. REPORTING The Discharger shall report field and laboratory test results in semi-annual monitoring reports. The Discharger shall submit the semi-annual monitoring reports to the Board by 31 July and 31 January. The Discharger shall arrange the data in tabular form so that the date, the constituents, the concentrations, and the units are readily discernible. A discussion of the monitoring results shall precede the tabular summaries. As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, all reports shall be prepared by a registered professional engineer or geologist (or their subordinate) and signed by the registered professional. Each semi-annual report is to include the following information: (a) a discussion of the monitoring results and compliance with this MRP and the WDRs; (b) tabulated cumulative monitoring data including depth to groundwater measurements, groundwater elevations above mean sea level, groundwater analytical data, wastewater analytical data, and monthly average wastewater discharge rate in gallons per day; (c) a groundwater contour map prepared using groundwater elevation data that shows the hydraulic gradient, flow direction and estimated flow velocity; (d) a copy of the laboratory analytical reports and chain of custody; and (e) the status of PCC waste removal including amount removed since the previous semi-annual report and the amount still remaining at the site. The results of any monitoring done more frequently than required at the locations specified in the MRP shall also be reported to the Board.