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result if sulfides or cyanides were accidentally mixed <br />with acids. The <br />with acids, or flammables were mixed <br />first possibility would generate toxic sulfide <br />or hydrogen cyanide gas, the second could result e <br />ignition of flammable waste. <br />' <br />To prevent these m separate hoses and pumps <br />ixtures <br />and transfer and separate <br />' <br />will be used for unloading <br />tanks will be utilized for the storage of sulfide or <br />All tanks and <br />cyanide bearing waste or acid waste. <br />be labeled to minimize the <br />receiving pumps will clearly <br />of intermixing incompatible waste. In <br />possibility <br />addition, each tank will have a clearly labeled and <br />separately dedicated piping. The drum storage area <br />and <br />will be separated from the waste processing area <br />incompatable waste will be stored in separate areas <br />sections will <br />within the storage area. These <-orage <br />have separate floor sump controls. <br />Wastes. <br />3.3• Precautions for Flammable and Combustible <br />involving flammable <br />All storage and handling operations <br />(solvents), and combustible wastes <br />' <br />hazardous wastes <br />(oils) will be conducted so as to prevent accidental <br />ignition of said wastes. All such flammable and <br />in drums. The storage <br />combustible wastes are stored <br />will comply with NFPA and RCRA requirements. <br />area <br />During storage and handling operations, flammable and <br />be from all sources <br />combustible wastes will protected <br />ignition, including: lightning, smoking, cutting, <br />of <br />welding, hot surfaces, frictional heat, radiant heat, <br />spontaneous ignition, and sparks from static electrical <br />,No Smoking" signs will be <br />or mechanical sources. <br />conspicuously displayed at all approach direction s to <br />the flammable storage area. 'During truck loading and <br />portable "No Smoking" signs will <br />unloading operations, <br />be displayed at each approach direction to the <br />operation. <br />The storage area will be equipped with three manual, <br />with a foam, <br />hand -operated fire extinguishers, and <br />light water sprinkler system. <br />All incoming drums of cyanides, sulfides, and flammable <br />wastes All be immediately separated from other <br />held in the non -acidic <br />incoming wastes and will be <br />for sampling and inspection. All other <br />staging area <br />incoming wastes will be held in the acidic staging area <br />the <br />for sampling and inspection. This will minimize <br />of reactions occurring between leaks or <br />possibility <br />spills of acids and 'Leaks or spills of cyanides, <br />sulfides, and/or ignitables. <br />