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3.4 Wastewater from Floor Scrubbing <br />Site 2010 quantity (lb) <br />SNL/CA 1,149 <br />Raw Materials: <br />Cleaner, City water Floor cleaning CWC 135 <br />Unspecified O'r-sltc <br />aqueous disposal <br />solutions - <br />FIGURE 111.3.4, FLOW DIAGRAM FOR WASTEWATER FROM FLOOR SCRUBBING <br />The Janitorial staff at SNL/CA uses a "Tenant' Floor Scrubber to strip the wax from the <br />floor. This activity is conducted throughout the site and generates wastewater that is <br />contaminated with zinc. Currently this waste is collected and disposed of as a non- <br />RCRA hazardous waste. <br />PREVENTION <br />None identified. Currently, if a member of the workforce wants to have their floor <br />stripped and waxed, they are required to submit a request; this includes being charged <br />for the service and the waste disposal. Note when the old wax is removed, the new <br />wax that is applied is zinc free. <br />4.0 CWC 181: Other Inorganic Solid Waste <br />Site 2010uantit , Ib <br />SLAC 18,421 <br />SNL/CA 12,399 <br />For SLAC <br />Overall Hazardous Waste and Process Description <br />In 2010, 8,421 pounds of CWC 181 waste generated at SLAC. A breakdown by waste <br />descriptions used in the SLAC hazardous waste tracking system is provided in the table <br />below and compared with 2006 quantities. <br />Waste Description <br />2006 <br />Quantity <br />Ib <br />2010 <br />Quantity <br />Ib <br />RCRA Lead Contaminated Debris <br />12,936 <br />3,903 <br />Filter Cake <br />6,064 <br />2,507 <br />Debris w/Non-RCRA Metals <br />12,632 <br />1,475 <br />Beryllium and RCRA Metal <br />Contaminated Debris and Non -Debris <br />317 <br />536 <br />Spent Resins with Copper <br />1,124 <br />300' <br />Acid and Alkaline Debris <br />1,943 <br />1,1342 <br />Total <br />35,062 <br />6,421 <br />1. 3 W Ib of chid waste wad generated in Zulu under cwt: 132 <br />2. 1,134 lb orchis waste Has generated in 2010 under CWC 513 <br />Ofthe 8,421 pounds of CWC 181 waste generated in2010 included RCRA Lead - <br />Contaminated Debris, Filter Cake, and Debris with Non-RCRA Metal, and Beryllium and <br />RCRA Metal Contaminated Debris and Non -Debris. <br />The processes generating these wastes are: <br />• Repair/upgrade and removal of experimental equipment and lead shielding <br />generating lead and lead debris <br />• Metal finishing operations (discussed earlier) generating filter cake from rinse <br />water and aqueous waste treatment processes <br />• Cleanup and maintenance activities that generate debris with non-RCRA metals <br />• Experimental equipment repair/upgrade and removal generating beryllium or <br />RCRA metals waste (RCRA Contaminated Debris and non -debris) <br />Other processes and generating wastes included the closed-loop, low -conductivity <br />cooling water system generating spent deionization resins and the use of chemicals metal <br />finishing operations that generate empty chemical containers, acid and alkaline debris. <br />These two waste streams were generated under CWC 181 in 2006 but were under <br />different codes in 2010. <br />September 1, 2011 SB 14 Plan 24 September I, 2011 SB 14 Plan <br />