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d.magna-Acid/base ion exchange-11/20/02 <br />Program run on 11-22-2002 at 09:58:38 <br />RESULTS CALCULATED USING THE BINOMINAL METHOD <br />-------------------------------------------------------------------------------- <br />CONC. NUMBER NUMBER PERCENT BINOMIAL <br />EXPOSED DEAD DEAD PROB. (PERCENT) <br />-------------------------------------------------------------------------------- <br />100 20 0 0.00 LESS THAN 0.001 <br />75 20 0 0.00 LESS THAN 0.001 <br />50 20 0 0.00 LESS THAN 0.001 <br />AT A CONFIDENCE LEVEL OF 95 PERCENT, THE BINOMIAL TEST <br />SHOWS THAT THE LC50 IS ABOVE 100 <br />NO METHOD CAN CALCULATE AN LC50 IF THE PERCENT DEAD <br />IS THE SAME AT ALL TESTED CONCENTRATIONS. <br />COMPARE RESULTS WITH ORIGINAL DATA TO SEE IF THEY ARE <br />REASONABLE. <br />