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Ms. Laurie Catulla <br /> June 4, 1986 <br /> Page 2 <br /> Cal Tank now intends to add the following products to <br /> its variance application: <br /> Nitric Acid <br /> Phosphoric and super phosphoric acid <br /> Potash <br /> Ammonium sulfate <br /> Latex <br /> ABS <br /> Resin <br /> Ethylene glycol <br /> Spray oil <br /> 70 & 90 neutral oil <br /> P-wax emulsion <br /> Def oamer <br /> Vapam <br /> Detergent <br /> The steam cleaning wash water will contain oils and <br /> grease. The trailer wash. water may contain oils or have a pH <br /> of less than 2 , or more than 12 , depending on the chemical <br /> product residue in the trailer. The wash waters must therefore <br /> go through an oil and grease separation and/or be neutralized <br /> before discharge to the sanitary sewer. <br /> Because of the potential pH range of the trailer wash <br /> water, it may be "hazardous waste. " Thus neutralization of the <br /> trailer wash water may be considered "treatment" of a hazardous <br /> waste requiring a hazardous waste facility permit . There is no <br /> "storage" of any hazardous waste since neutralization and oil <br /> and grease separation are accomplished automatically in a flow <br /> through system as the wash waters drain from the vehicles . <br /> The oil and grease accumulated in the oil separator, <br /> once removed from the separator may be hazardous waste. Oil <br /> and grease removed from the separator will be stored for less <br /> than 90 days in accordance with 22 Cal . Administrative Code <br /> § 66508 and properly disposed of or recycled at a permitted <br /> facility. There may be some accumulation of solids in the <br /> neutralization chambers, but these solids will be non-hazardous <br /> salts, iron oxides and hydroxides, alum, latex and the like. <br /> These non-hazardous solids will be removed from time to time <br /> and deposited in 55 gallon barrels awaiting periodic disposal <br /> at a solid waste disposal facility. The barreled wastes will <br /> be tested for pH prior to disposal . <br />