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STATE OF CALIFORNIA <br /> `-`� PETE WILSON Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD—,,�, <br /> CENTRAL VALLEY REGION <br /> 3443 ROUTIER ROAD, SUITE A <br /> ``ff 4J <br /> SACRAMENTO. CA 95827-3098 NOY rn1�H <br /> PHONE: (916) 361.5600 <br /> FAX: (916) 361-5686 <br /> pER <br /> 20 November 1991 <br /> Mr. David Bates <br /> Marley Cooling Tower Company <br /> 5800 Foxridge Drive <br /> Mission, Kansas 66201 <br /> DISPOSAL OF WASTE REGENERATION WATER, MARLEY COOLING TOWER COMPANY (MARLEY) , SAN <br /> JOAQUIN COUNTY <br /> We have reviewed your 23 October 1991 letter in which you requested that Marley <br /> be allowed to dispose of the waste regeneration water from the ion exchange <br /> treatment process which had accumulated in tanks and containment areas at the <br /> site. You also stated that these wastewaters had been pretreated to remove the <br /> metal constituents and were discharged to the paved yard for eventual blending <br /> with storm water and retreatment through the treatment plant. <br /> Waste Discharge Requirements (WDRs) Order No. 88-124 allows for the discharge of <br /> wastewater with a total dissolved solids (TDS) concentration limit of up to 1000 <br /> milligrams per liter (mg/1 ) when there is flow in the Stockton Diverting Canal . <br /> Although we assume that there is currently no flow in the Canal due to the <br /> continued drought conditions, we approve of the one time discharge provided that <br /> these wastewaters are blended with ground water to maintain a TDS concentration <br /> of below 1000 mg/1 . In the future, all waste regeneration water is to be blended <br /> with ground water and treated using the electrochemical process and discharged <br /> in compliance with the WDRs. <br /> If you have any questions, please call me at (916)361-5670. <br /> CAMILLA WILLIAMS <br /> Engineering Geologist <br /> CKW:cw <br /> cc: Mr. Jim Austreng, Department of Toxic Substances Control , Region 1, <br /> Sacramento <br /> Mr. Ron Valenoti , San Joaquin County of Public Health Services, Stockton <br /> Mr. Tom Hickey, Black and Veatch, Kansas City, Missouri <br />