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WASTE DISCHARGE REQUIREMENTS ORDER NO. 15- <br /> CALIFORNIA NATURAL PRODUCTS <br /> WASTEWATER TREATMENT FACILITY <br /> SAN JOAQUIN COUNTY <br /> 5. Any proposed change in solids use or disposal practice from a previously approved practice <br /> shall be reported to the Executive Officer at least 90 days in advance of the change. <br /> F. Groundwater Limitations: <br /> The discharge, in combination with other sources, shall not cause underlying groundwater to contain <br /> waste constituents in concentrations statistically greater than natural background water quality. <br /> G. Provisions: <br /> 1. All technical reports required herein that involve planning, investigation, evaluation, or design, <br /> or other work requiring interpretation and proper application of engineering or geologic <br /> sciences, shall be prepared by or under the direction of persons registered to practice in <br /> California pursuant to California Business and Professions Code sections 6735, 7835, and <br /> 7835.1. To demonstrate compliance with sections 415 and 3065 of Title 16, CCR, all technical <br /> reports must contain a statement of the qualifications of the responsible registered <br /> professional(s). As required by these laws, completed technical reports must bear the <br /> signature(s) and seal(s) of the registered professional(s) in a manner such that all work can be <br /> clearly attributed to the professional responsible for the work. <br /> 2. All of the following reports shall be submitted pursuant to Section 13267 of the California <br /> Water Code and shall be prepared by a registered professional as described by Provision G.1. <br /> a. At least 30 days before the Discharger wishes to increase the annual average flow rate <br /> above 250,000 gpd and the monthly maximum average flow rate above 290,000 gpd, the <br /> Discharger shall submit a report describing completion of improvements to the designated <br /> land application areas to ensure compliance with this order and allow wastewater <br /> application to the 29.7 acre land application area. The improvements shall include,but not <br /> be limited to, installation of fencing or notification signs, installation of berms to prevent <br /> surface water runoff in land application areas, and reconfiguration of checks to improve <br /> application rate. <br /> b. By 4 December 2003, the Discharger shall submit a Groundwater Characterization <br /> Workplan. The workplan shall describe the installation of additional wells to allow <br /> evaluation of groundwater quality upgradient and downgradient at each of the application <br /> areas. In addition, the workplan shall include an evaluation of the groundwater flow <br /> directions and monitoring networks at the 29.7 acre, 16 acre, and 10.1 acre (formerly 17.6 <br /> acre) land application areas. Monitoring wells shall be constructed to yield representative <br /> samples from the uppermost layer of the uppermost aquifer and to comply with applicable <br /> well standards. The workplan shall be consistent with, and include the items listed in, the <br /> first section of Attachment C, "Items to be Included in a Monitoring Well Installation <br /> Workplan and a Monitoring Well Installation Report of Results. " <br /> V.\ uu Joaquin Nonl5\Suf Ob eaMan Joaquin\Cal Nai Pmduc0WDR 0703\WDR July 03.dq <br />