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} 12. CWC 792 "Liquids with pH<ot=2 with metals <br />Site 2010 qijptiV (lb), <br />LBNL 6 239 <br />12 1 Ultra Ilitlh Vacuum Clcauiu>? Facility <br />Site 2010UUc"Ll Slb <br />LBNL 16,239 <br />Raw Materials: <br />Metal parts <br />Sodium Hydroxide <br />Nitric Acid <br />Hydrofluoric Acid <br />Sulfuric Acid <br />Hydrochloric Acid <br />Phosphoric Acid <br />Sodium bisulphate <br />Chromic acid <br />Ammonium fluorosilicate <br />Water <br />—a Parts <br />Cleaning — product <br />CWC 792 <br />Liquids with <br />pH less than or <br />Surface equal to 2 with <br />Preparation metals <br />Off Site <br />Disposal <br />FIGURE lII.12.1.tJLTRA IIICiH VACUUM CLBANINCi FACILITX WASTE a13NEItATION,PROCESS <br />This waste stream is generated as a result of metal surface cleaning operations. Metal parts <br />are cleaned ttu'ough a multi -step process including the following: <br />o Ultrasonic aqueous degreasing, <br />• Washing with commercial industrial cleaners (such as 909, B.N., Blue Gold), <br />• Surface cleaning with acidic solutions, and <br />o Mwater and tap water rinsing. <br />The waste stream consists of acidic wastes that contain particles and dissolved metals. <br />September I, 2015 SB 14 Plan III -34 <br />