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� y <br /> ATTACHMENT C PAGE 7 OF 7 <br /> B) THE STRIPPER (OR STRIPPER/EQUIPMENT CLEANER BLEND) <br /> IS TREATED BY LOWERING THE pH TO ABOUT 4 BY <br /> ADDITION OF SULFURIC ACID. THIS PROCESS <br /> PRECIPITATES THE RESIST AND THE METALS. THE <br /> SLUDGE IS THEN ALLOWED TO SETTLE IN THIS TANK. <br /> C) AFTER AN APPROPRIATE SETTLING TIME, THE SLUDGE IS <br /> PUMPED THROUGH THE FILTER PRESS AND THE FILTRATE <br /> FROM THE PRESS IS PUMPED THROUGH THE CWTS AND <br /> PROCESSED AS DESCRIBED IN UNIT 1 . <br /> D) AFTER EACH SLUDGE RUN, AS WITH THE CWTS SLUDGE, <br /> THE FILTER PRESS IS OPENED UP AND THE SLUDGE <br /> SCRAPED OFF THE PLATES INTO THE BIN. THIS <br /> COLLECTION BIN IS THEN TRANSFERRED BY FORKLIFT TO <br /> THE SLUDGE SACKS AS WITH UNIT 1 , PROCESS STEP M . <br /> E) OTHER METAL-BEARING WASTES ARE ALSO TREATED IN BTT <br /> #2 BY VARIOUS WASTE TREATMENT PROCESSES. THE <br /> SLUDGE AND FILTRATE FROM THE PRESS ARE MONITORED, <br /> SAMPLED, ANALYZED AND HANDLED IN THE SAME MANNER <br /> AS WITH SPENT STRIPPER. <br />