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3•U CWC 135: Unspecified Aqueous Solution <br />2014 q <br />LLNL 179743 <br />SNL/CA 5,768 <br />Optics <br />processing <br />operations, <br />including <br />etchant solution <br />CWC I35 <br />Unspecified Off-site <br />aqucous disposal <br />solutions <br />FIGURE III.3.1. N7F OPTIC PROCESSINCI FLOW DIAGRAM <br />This waste stream is generated from NJF optics processing operations. These processes have <br />been optimized to generate the mivamal amount of waste while producing the high quality <br />optics required. For example, optics are batched to minimize solution change out between <br />types, and baths are reused before spent etchant must be discarded and replaced. <br />In 2009, N1F start <br />ed implementation of an optics repair process to extend the life of the <br />optics. This operation has continued to expand, and reduces both the need to acquire new <br />replacement optics and the chemicals used to process them. <br />SOURCE REDUCTION/POLLUTIONPREVENIION EVALUATION <br />Description of Measure: <br />LLNL plans to continue existing best management practices to miniT„i�.e flus waste <br />stream. No other source reduction/pollution prevention measures are planned. <br />September 1, 2015 SB 14 Plan <br />III -5 <br />