SITE INFORMATION AND CORRESPONDENCE

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' Mr. Ben Hall • • 3 Musco Family Olive Company 8 June 2003 extended one full year to 6 September 2005. He explains that the major modifications have been identified and implemented and that the additional time is necessary to determine the extent to which wastewater treatment and/or other reuse options will be required, and to properly design and implement treatment and reuse options based upon the results of the background groundwater quality evaluation. He also cites Musco's cash flow constraints as a contributing factor in this extension request. By letter dated 21 May 2003, Mr. Campos reiterated this request and offered an alternative compliance schedule that would establish interim effluent limitations for TDS of 3,000 mg/L and sodium of 668 mg/L effective 6 September 2004. This request appears reasonable for consideration by the Regional Board. Regional Board staff is preparing and will circulate for public comment a tentative Special Order to revise the Cleanup and Abatement Order accordingly. The Report is incomplete. Please submit by 29 August 2003, a supplement to the Report containing: I. Work plans and implementation schedules for a. modifying or replacing the parabolic screen in accordance with the Report's recommendations, and b. implementing corrective measures to preclude the overflow of brine from the flotation brine makeup tank; _ 2. A revised Table 5: Estimated Mass Loading for Individual Waste Streams that includes an Estimated Mass Loading Calculations column for Chloride; 3. A recommendation for Musco to consider installing a continuous electrical conductivity(EC) meter and automated EC controls on valves in the canning area floor drain to ensure high EC wastewater is discharged exclusively to the evaporation ponds and, if deemed infeasible by Musco, the reason(s) for not implementing this recommendation; 4. An evaluation of whether other floor drains, such as the containment area floor drain, should be re-routed to discharge exclusively to the evaporation ponds; and Please be advised that the following certification statement is required on all documents submitted pursuant to Order No. R5-2002-0148, including the supplement to the Report: I certify under penalty of law that this document,including all attachments and supplemental information, were prepared under my direction and supervision in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment. By 1 January 2004, please submit an addendum to the Report that characterizes the salinity constituents in the flume water discharge and includes supporting laboratory analytical reports.