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California Re•nal Water Quality Control Board <br /> vCentral Valley Region , <br /> Steven T.Butler, Chair <br /> Winston H.Hickox _ Gray Davis <br /> Secretaryfor Sacramento Main OffiF' p Governor <br /> Environmental Internet Address: http://www.swrcb.ca.91v/—nvgcb5 7 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 25 September 2000 <br /> Mr. Benjamin Hall <br /> Musco Olive Products <br /> 17950 Via Nicolo <br /> Tracy, CA 95376 <br /> CLEANUP AND ABATEMENT ORDER PREPARATION,MUSCO OLIVE PRODUCTS, TRACY, <br /> SAN JOAQUIN COUNTY <br /> I have reviewed the 28 August 2000 HDR Engineering Report Evaluation of Effects of Land Applying <br /> Process Water, and the 8 August 2000 HDR Engineering Report, Evaluation of Effects of Land Applying <br /> Process Yater. The reports were prepared in response to a Regional Board request dated 15 May 2000, <br /> but are incomplete as described below. Because the reports are incomplete, staff is preparing a Cleanup <br /> and Abatement (C&A) Order consistent with California Water Code Section 13304. The C&A Order <br /> will incorporate the following items: <br /> STORAGE FA CILITYIMPROVEMENTS <br /> The design approach presented in the report is generally acceptable,however there are several items that <br /> will need further explanation or consideration, including: <br /> • A schedule for construction of Phase I and Phase II improvements. <br /> • Because the storage pond size calculations for the Phase I development are based on an average <br /> year rainfall, the pond size may be inadequate. The pond size calculations must be recalculated <br /> using the standard requirement for storage ponds which requires the pond to have sufficient <br /> capacity to accommodate allowable wastewater flow, design seasonal precipitation, seasonal <br /> ancillary inflow, and infiltration during the wet season. Design seasonal precipitation shall be <br /> based on total annual precipitation using a return of 100 years, distributed monthly in accordance <br /> with historical rainfall patterns. <br /> • Based on the water balance presented in the report and in Appendix A, there appears to be no <br /> storage provided for stormwater which falls on the application area that has electrical <br /> conductivity greater than 500 umhos/cm. Data presented in Table 3 for the month of March <br /> shows wastewater storage at the pond capacity, with no storage for stormwater from the <br /> application area if needed. It is emphasized that surface water discharges are unacceptable. <br /> • The report presented wastewater storage improvements but did not discuss an application plan <br /> which will prevent surface runoff. The report's description of tailwater control is inadequate, <br /> improvements to the tailwater collection system must be better described. As previously stated <br /> California Environmental Protection Agency <br /> 0 Recycled Paper <br />