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1 � <br /> M E M O R A N D U M <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD - CENTRAL VALLEY REGION <br /> 3443 R outier R oad Phone: (916) 361-5600 <br /> Sac=entD, CA 95827-3098 AT SS:8-495-5600 <br /> TO: Gary A. Reents . FROM: John J. Tomko <br /> t � <br /> DATE: 14 April 1989 SIGNATURE: <br /> SUBJECT: Southwest Hide Company - Site Characterization and Report of <br /> Waste Discharge <br /> On 11 April 1989 we received the following reports from Southwest Hide <br /> Company, prepared by their consultant Moldenhauer Engineering Company: <br /> - Report of Waste Discharge, Subchapter 15 <br /> Informational Requirements <br /> - Site Characterization Report <br /> - Appendix to the Site Characterization Report <br /> The Report of Waste Discharge was not reviewed since the discharger is <br /> planning to abandon the existing waste disposal system. The replacement <br /> of the existing waste ponds with a brine recycling system was first <br /> discussed at the 2 February 1989 meeting with the discharger's <br /> consultant, Moldenhauer Engineering Company. The Site Characterization <br /> Report estimates an October 1989 completion date for the abandonment and <br /> closure of the waste ponds, and the full scale operation of the brine <br /> recycling system. <br /> The time line in the Site Characterization Report for the brine <br /> recycling system includes interim dates for letter reports regarding <br /> the operational states of the pilot model (May 1989) , and the No. 1 Unit <br /> (June 1989) . These letter reports should be submitted to this office. <br /> Proprietary information can be deleted from these letter reports, <br /> providing that sufficient information is submitted to demonstrate that <br /> the project is proceeding on schedule. <br /> As noted in the Moldenhauer Engineering Company cover letter to the <br /> Report of Waste Discharge report, if the decision is made that the brine <br /> recycling system is not feasible, then an update to the Report of Waste <br /> Discharge will be necessary. If this occurs then the letter report <br /> describing the non-feasibility of the recycling system must include the <br /> additional Report of Waste Discharge informational requirements for the <br /> waste ponds. <br /> Furthermore, if the decision is made that the recycling system is <br />