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0 0 <br /> Ted Johnston - 2 - 7 February 2005 <br /> the TDS concentrations are not expected; therefore variations in wastewater quality are believed <br /> to be caused by the Nulaid discharge). When the Nestle,discharge is redirected for irrigation <br /> purposes, scheduled to have occurred by 31 January 2005, the remaining industrial wastewater <br /> quality is likely to become higher in constituent concentrations. <br /> The workplan discusses pretreatment at Nulaid but discounts it prematurely. Reduction, reuse, <br /> and source control are likely to be required at Nulaid to allow the City to comply with State <br /> policies regarding groundwater protection. CIP wastewater source control might include <br /> capturing the CIP solutions for further treatment or alternative disposal, filtering and reuse, or <br /> use of alternative chemicals. Such procedures can result in significant improvements in <br /> wastewater quality. In addition, it is likely that hot water is used. Feed water for boilers is <br /> generally treated either using ion exchange or reverse osmosis. Wastestreams from boiler feed <br /> water treatment must also be identified and addressed. <br /> By 7 March 2005, please submit an addendum to the workplan addressing the issues that are discussed <br /> above. If you have any questions regarding this workplan review, please contact me at (916) 464-4616. <br /> TIMOTHY R. O'BRIEN <br /> Waste Discharge to Land Unit <br /> cc: Mike Huggins, San Joaquin County Environmental Health Department, Stockton <br /> Neal Colwell, ECO:LOGIC Engineering, Rocklin <br /> Matt Machado, City of Ripon <br /> W15aRAbnnT .J.,WnV ,p WWTP.a ..]Feb 05A. <br />