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EPA ID NUMBER CAD 009 212 929 PERMIT BY RULE Pagel ofd <br /> UNIT SPECIFIC NOTIFICATION <br /> For Fixed Treatment Units Only <br /> (pursuant to Title 22,California Code of Regulations,Chapter 45) <br /> 12. Multicomponent resins may be treated by the following process: <br /> ❑ a. Mixing the resin components together in accordance with the manufacturer's instructions. <br /> II. NARRATIVE DESCRIPTIONS: Provide a brief description of the specific waste treated and the treatment process used. <br /> I. SPECIFIC WASTE TYPES TREATED: Aqueous w <wMW QQnJaining hexavalent chromium <br /> 2. TREATMENT PROCESS(ES)USED: Reduction of hexavalent chromium to trivalent chromium <br /> with sodium metabisulfite <br /> II1. RESIDUAL MANAGEMENT: check yes or no to each question: <br /> YES NO <br /> ❑ ® I. Do you discharge non-hazardous aqueous waste to a publicly owned treatment works(POTW)/sewer? <br /> ❑ ® 2. Do you discharge non-hazardous aqueous waste under an NPDES permit? <br /> ❑ ® 3. Do you have your hazardous waste hauled offsite by a registered hazardous waste hauler? <br /> If you do,where is the waste sent? Check all that apply. <br /> ❑ a. Offsite recycling <br /> ❑ b, Thermal treatment <br /> ❑ c. Disposal to land <br /> ❑ d. Further treatment <br /> ❑ ® 4. Do you dispose of non-hazardous solid waste residues at an offsite location? <br /> ® ❑ 5. Other method of disposal. Specify: Further onsite treatment <br /> DTSC 1772D(1/93) Page 19 <br />