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�7IS' 2095 Ringwood Ave. <br /> E LABS INC. San Jose, CA 95131 <br /> An ISO 9002 Certified Company <br /> December 8, 1997 <br /> San Joaquin County public Health Services <br /> Environmental Health Division <br /> 304 E. Weber Avenue 3rd Floor/P. O. Box 388 <br /> Stockton, Ca. 95201-0388 <br /> Re: Notification of fixed Treatment Unit Operation <br /> Dear Sir: <br /> This is to notify you that ISE Labs Inc. Assembly operation has purchased the business located <br /> at 400 Industrial Park drive. ISE Labs will continue to operate the Fixed treatment unit (FTU) <br /> and is applying for a new Permit by Rule. <br /> The facility discharges process wastewater through a wastewater treatment system where the <br /> effluent is pH adjusted and metals are precipitated. The precipitated sludge is dewatered <br /> through a filter press. The liquid supernatant is recycled back into the waste treatment system; <br /> the filter cake is sent to an offsite metals recovery facility as F006 sludge. All resultant pH <br /> adjusted effluent is discharged to the city of Manteca POTW under Permit#88-1 (Rev.1). <br /> If you have any questions or require additional information about the operation of this unit, <br /> please contact Gary Hubble at(209) 825-8239. <br /> Sincerely, <br /> ISE La Inc. A W Oper <br /> S even Cate <br /> Vice President of Engineering <br /> Telephone: (408) 954-TEST Fax: X41 954-1676 <br />