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CENTRAL ALEY REGIONAL WATER QUALITY COWL OL BOARD' INSPECTION REPGRT JUL 2 ; 1989 EN!I 0NMENTAL HEkTH DISCHARGER : Defense Depot Tracy (DDT) 26 Ju Iy r1i9/g6RVICES LOCATION & COUNTY : Tracy, San Joaquin County CONTACTS ) : Wes Harris, Environmental Coordinator; Irene Gill , Environmental Protection Specialist INSPECTION DATE : 15 May 1959 INSPECTED BY : John J. Tomko, Area Engineer ACCOMPANIED BY : Irene Gill OBSERVATIONS: The objectives of this inspection were to (1) determine if the facility is complying with existing waste discharge requirements (Order No. 63-216) , and (2) to determine the regulatory status of the lined industrial waste ponds. Description of Facility and Waste Streams DDT is within the Defense Logistics Agency. The Depot receives, stores, and re- issues materials for use by Defense Department installations in the western United States and Pacific overseas areas. These materials include food, clothing and textiles, medical supplies, industrial equipment, construction supplies, and a wide range of chemicals. The major activities at DDT are: Stock Readiness - packaging or repackaging of materials for shipment. Cleaning, stripping, and painting are performed as part of the packaging preparations for some materials; Recouping - repackaging of stored chemicals when the existing containers have degraded or broken; and Maintenance of on-site facilities and equipment, consisting of painting, stripping, degreasing, steam cleaning, application of pesticides and herbicides. The following liquid waste streams are produced: Rinse waters and spent solutions from cleaning and stripping operations. Stripping agents used are either sodium hydroxide or phosphoric acid. Chromic acid and solvents were used in the past. Waste steam cleaning waters from stock readiness and maintenance operations. Wastewater from paint booth filters.