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r. <br /> 4 <br /> EPA ID NUMBER CAD 097068126 <br /> PERMIT BY RULE <br /> UNIT SPECIFIC NOTIFICATION <br /> For Fixed Treatment Units Only <br /> (pursuant to Title 22, California Code of Regulations, Chapter 45) <br /> UNIT NAME :Filter Press ;; UNIT ID NUMBER : SWPC N01 <br /> NUMBER OF TREATMENT DEVICES: - 1 Tank(s) 1 Cers) <br /> Each unit must be clearly identified and labeled on the plotplan attached to Form 1771. Assign your own unique number to each unit. <br /> The number can be sequential(1, 2, 3) or you may use any system you choose. <br /> This form is to be used by all fixed Permit by Rule (PBR) units only. The Onsite Hazardous Waste Treatment Form combined with this <br /> unit specific notification supercedes DISC Forms 8462,4 and 8462B. Do not use any part ofDTSC 1772 for PBR ransportable <br /> Treatment Units(TTU's). TTUs must continue to use DTSC Forms 8429 and 8429A, as modifiedfor AB 1771. <br /> The wastestreams treated must be limited to those listed in title 12, CCR, section 6 7450. 11, which are also listed below. <br /> Enter the estimated monthly total volume ofhazardous waste treated by this unit. This should be the maximum or highest amount <br /> treated in any month. Indicate in the narrative(Section 11) ifyour operations have seasonal variations. <br /> I. WASTESTREAMS AND TREATMENT PROCESSES: <br /> Estimated Monthly Total Volume Treated: pounds and/or gallons <br /> The following are the eligible wastesireams and treatment processes. Please check all applicable boxes: <br /> 1. Aqueous wastes containing hexavalent chromium may be treated by the following process: <br /> a. Reduction of hexavalent chromium to trivalent chromium with sodium bisulfate,sodium metabisulfite, sodium <br /> thiosulfate,ferrous sulfate,ferrous sulfide or sulfur dioxide provided both pH and addition of the reducing agent are <br /> automatically controlled. <br /> 2. Aqueous wastes containing metals listed in Title 22, CCR, section 66261.24 (a)(2) and/or fluoride salts may be treated by the <br /> following technologies: <br /> ❑ a. pH adjustment or neutralization. <br /> ❑ b. Precipitation or crystallization. <br /> ❑ C. Phase separation by filtration,centrifugation,or gravity settling. <br /> ❑ d. Ion exchange. <br /> e. Reverse osmosis. <br /> f Metallic replacement <br /> ❑ g Plating the metal onto an electrode. <br /> ❑ h .Electrodialysis. <br /> ❑ i Electrowinning or electrolytic recovery. <br /> ❑ j. Chemical stablilization using silicates and/or cementitious types of reactions. <br /> ❑ k. Evaporation. <br /> ❑ I Adsorption <br /> DTSC 1772D (1/93) Page 16 <br /> c:\msoffioe\cxcel\ncil\envirment\dtsc2.doc <br />