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1 <br /> SWPC <br /> EPA ID # CAD097068126 3-17-93 <br /> PERMIT BY RULE <br /> UNIT SPECIFIC NOTIFICATION <br /> FOR FIXED TREATMENT UNITS ONLY <br /> (PURSUANT TO TITLE 22, CALIFORNIA CODE OF REGULATIONS. CHAP. 45) <br /> "A brief description of how the treatment unit operates" Per page <br /> 9 of 9, IV (C. ) of the Unit Specific Notification Form and Appendix <br /> 2, VII (C. ) of Instructions-DTSC FORM 1772 . <br /> The facility is used to treat Zinc Phosphate which is removed <br /> from a Phosphatizing Bath as solids suspended in liquid. Treatment <br /> consists of adding polymers to the liquid which causes the <br /> suspended solids to form particulate large enough that gravity <br /> causes the particulate to form a semi-solid. <br /> The semi-solid is further de-watered in a Filter Press, using <br /> the batch method, resulting in a Zinc Phosphate Filter Cake. The <br /> Zinc Phosphate Filter Cake is sent to a licensed and approved <br /> recycling facility. <br /> SUMIDEN WIRE PRODUCTS CORPORATION <br /> 1412 EL PINAL DRIVE•STOCKTON,CA 95205 P.O.BOX 8719•STOCKTON,CA 95208 209-466-8924•TELEX 359424 <br />