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Pm Om BOX 2301 <br /> 400 INDUSTRIAL PARK DRIVE MY <br /> PHONE: (209) 239-4444 <br /> MANTECA, CALIFORNIA 95336 EiEuaONICS INC FAX: (209) 239-4882 <br /> A SUBSIDIARY OF OLIN CORPORATION <br /> January 25, 1990 <br /> Ms. Rosemary Cos <br /> Department of Health Services <br /> Office of Legislation and Regulation <br /> P O.Boa 942732 <br /> Sacramento.CA 94234-7320 <br /> RE: Elementary Neutralization Unit Operations <br /> Ms Cox: <br /> OLIN Corporation owns and operates two subsidiaries in the State of California that operates elementary <br /> neutralization units for process wastewater prior to discharge under permit to lctcal POTW'S. These facilities <br /> are: <br /> IiNDY ELECTRONICS <br /> 400 INDUSTRIAL PARI: DRIVE <br /> MA,NTECA,CA 95336 <br /> and <br /> OLIN MESA <br /> 3500 GARRETT DRIVE <br /> SANTA CLARA, CA 95054 <br /> The following is a brief description and status of operation at each facility. <br /> INDY ELECTRONICS <br /> This facility discharges process wastewaters through a wastewater treatment system where the effluent is pH <br /> adjusted and metals are precipitated. The precipitated sludge is dewatered through a filter press. The liquid <br /> supernatent is recycled back into the wastewater treatment system: the filter cake is removed from the filter <br /> press, and disposed of off-site as an F006 sludge at a metals recovery site. All resultant pH adjusted effluent is <br /> discharged under permit to the city of Manteca POTW This facility had submitted a variance application to <br /> operate the system - This variance application has not been processed by DOHS. <br /> QUALITY 0 SERVICE • CYCLE TIME <br />