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General Description of the Site Operations: <br /> Using plate and structural steel shapes of tubing, angle iron, bar stock, etc., Valley <br /> Industries, Inc. obtains the appropriate lengths by sawing, plasma cutting, laser cutting or <br /> mechanical punch press work. Most of the metal material then proceeds to the press <br /> shop for forming and punching and then on to deburring. The parts are then welded. <br /> The welded parts receive a cleaning and undercoating before they are powder painted. <br /> The components are then matched and packaged and finally boxed and palletized for <br /> shipping to customers. <br /> Various wastes are generated throughout the manufacturing process. Waste oil is <br /> generated due to leaking hydraulic systems or bulk change out of the sumps in <br /> approximately 50% of the machining equipment. Spent coolant is the water-soluable oil <br /> that is used to cool the equipment and work surfaces during machining. Plasma fines <br /> are generated during the cutting process and polishing fines are generated from <br /> grinding, polishing and deburring processes. Waste tool and die detergent is generated <br /> from the cleaning of the tooling and fixtures. Spent washer solution is generated in the <br /> first stage of a five-stage washer system during the cleaning of the components prior to <br /> the undercoating and a sludge is also scooped out from the bottom of that washer. An <br /> iron phosphate sludge is generated from the undercoating process. Absorbent is used <br /> throughout the facility to absorb various leaks and in general clean up activities. A <br /> solid/sludge waste is also collected from a sump and a sand and grease trap resulting <br /> from the rinse waters on the paint line. <br /> Valley Industries, Inc. 1313 S. Stockton Street CDMS <br /> September 1, 2003 Lodi, CA 95240 Plan 4 <br />