Laserfiche WebLink
Cyanide Treatment (T22, § 67450.11 (d)(2D <br /> F Spent Solutions managed in <br /> accordance with the requirements To the aqueous solution <br /> of§ 67450.11(d)(6). Ele meta recovery) <br /> (only for in waste streams A, B, PBR <br /> T22, § 67450.11 (d)(2)(F) metal recovery) C, D, or E <br /> 7 <br /> G pent Solutions managed in Resulting solution must be <br /> accordance with the requirements Slow Bleeding to the treated by: <br /> aqueous solution in oxidation, <br /> of§ 67450.11(d)(7). alkaline chlorination, PBR <br /> T22, § 67450.11 (d)(2)(G) waste streams(A)and (C) electrochemical oxidation, <br /> ion-exchange, or <br /> reverse osmosis <br /> Additional Requirements for Dilution of Process Solutions: <br /> • Total cyanide concentration limited to 5,000 mg/I after dilution <br /> • Written approval from the agency operating the POTW <br /> • Waste analysis plan (cyanides) <br /> • The residual solids removed are recycled by a facility that recovers metals including documentation <br /> • By January 30 - Prepare justification statement when residuals are not recycled for the previous calendar year <br /> • Records maintained at the facility for 3 years <br /> For all Cyanide Treatments under PBR: <br /> -Comply with Best Management Requirements <br /> -Employee training (Initial and annual training to employees, who handle cyanide process <br /> solutions, cyanide rinse waters, or manage cyanide waste) <br /> -Evaluate cyanide alternatives every 4 years <br /> DTSC 7/22/10 Page 23 <br />