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The chemicals and chemical solutions are primarily used by the Life Sciences and <br />Material Sciences Divisions to prepare research samples and conduct experiments. <br />Chemicals are purchased in small amounts and stored in the individual laboratories. <br />The significant increase is due to the expansion of research using these chemicals. The <br />Lab purchases chemicals in small quantities and reallocates chemicals to other <br />researchers as needed. No other source reduction measures were envisioned in 2006. <br />12. CWC 726: Liquids with nickel> 134 mg/L. with metals <br />Site <br />2006 Quantity (lb) <br />2010 quantity (lb) <br />LBNL <br />3,726 <br />1,208 <br />SNL/CA <br />1,696 <br />0 <br />For LBNL <br />12.1 Plating Shop Rinsing Operations <br />The primary contributor to this waste stream is the use of nickel acetate to coat oxidized <br />aluminum to stabilize reduced conductivity. <br />Evaluation of this waste stream resulted in no specific waste minimization strategies. <br />The reduction is due to less work in the plating shop. <br />For SNL/CA <br />12.2 Building 943 — Materials Chemistry Department <br />The Materials Chemistry Department provides electroplating services in its full-service <br />plating shop. In 2006 the Materials Chemistry Department generated 1696 lbs of waste <br />liquids with nickel > 134 mg/L. In 2010 the plating shop was operational however at a <br />significant less volume. The electroplating shop has developed a process to rinse the <br />fabricated parts over the plating baths significantly reducing the volume of waste <br />generated. In 2010 the electroplating shop did not generate any waste liquids with metals <br />specifically nickel> 134 mg/L. <br />September 1, 2011 5014 Report 31 September 1, 2011 5814 Report 32 <br />