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+T_BY:Otcci;t.vr(V;TY 5-85 1716 2 <br /> OWEN34LUNOIS <br /> GlassCantalner <br /> Dvisi 01 <br /> Diviaian � l�I� V Iva <br /> Sales Administration center MAY 51989 <br /> Pleasanton Office <br /> ENVI 0,P - iENTAL HEALTH May 5, 1959 <br /> Ma. Donna Henan PERMIT/SERVICES <br /> Environmental Health Division <br /> San Joaquin Local Health District <br /> 1601 East Hazelwood Avenue <br /> Stockton, CA 95201 <br /> RE: Underground Storage Tank Delisting Request <br /> Quench Water Recirculation Sumps - Tracy Plant <br /> Dear Me . Heran: <br /> Per our telephone Conversation 5/1/89, I have prepare;:: more <br /> detailed description of the quench water recirculation <br /> which includes the two recirculation sumps. <br /> Water is used as a lubricant and coolant in the handlii.;. o <br /> molten glass. It flows continuously in the molten glass rejection <br /> chutes of each forming machine to quench tubs in the plant '? <br /> basement. The quench tubs collect and cool rejected molten glass <br /> for subsequent recycling. Quench water continuously overflows the <br /> - <br /> glass collection tubs onto the floor and drains to the subject q <br /> quench water recirculation sumps. Pumps continuously return the, <br /> quench water to the forming machinee from the process sumps thus; <br /> completing the recirculation loop. <br /> Y Via, <br /> Oil picked up by the recirculating water is continuously remove <br /> mers. <br /> from the sump surface with oil skimRecovered oil i ,. <br /> collected in above ground tanks and routinely picked up by a <br /> registered oil rsoyoler. Sludge, which gradually accumulates fh <br /> the sumps, consists of glass fines and dirt. It is removed <br /> occasionally as a general maintenance practice, usually during <br /> major shut - owns. When removed, it is disposed of as hazardous ;* <br /> waste due its trace oil content. <br /> Hopefully, this deE,-ription of our quench water recirculation <br /> sYst'm will clarify how the subject sumps function as a dynami <br /> part of the continuous manufacturing process. They are not <br /> storage tanks as defined by underground storage tank regulation <br /> and exp) :kined by Joe Green in his letter, of October 27, 1988. <br /> If I can be of further assistance to <br /> You or those reviewing thilif <br /> requ, -� for delisting, please contact me at (415) 463-7950. <br /> Very truly yours, ' <br /> Robert C. Neal, P.E. ; <br /> Environmental Administrator ' <br /> 6150 Stoneridge Mail Road, Suite 375, Pleasanton, California 94566-8083 (415) 484.5277 Glass Recycles <br />