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Western Fuels 011 Pp Acute 9/24/09 <br />Program run on 10-27-2009 at 15:29:54 <br />RESULTS CALCULATED USING THE BINOMINAL METHOD <br />- ---- ----------------- -------------- ------------- -------------- -------------- <br /> NUMBER NUMBER PERCENT BINOMIAL <br /> <br />------ <br />- EXPOSED <br />--- <br />- DEAD DEAD PROB.(PERCENT) <br />- <br />100 - <br />------------ <br />40 -------------- <br />6 ------------- <br />15.00 -------------- <br />LESS THAN -------------- <br />0.001 <br />75 40 6 15.00 LESS THAN 0.001 <br />50 40 2 5.00 LESS THAN 0.001 <br />25 40 0 0.00 LESS THAN 0.001 <br />12.5 40 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 />THE USEFULNESS OF ANY LC50 CALCULATED FROM THIS SET OF DATA <br />IS QUESTIONABLE BECAUSE A CONCENTRATION-EFFECT RELATIONSHIP <br />HAS NOT BEEN DEMONSTRATED OVER A REASONABLE RANGE (e.g. <br /><37 TO>63 OF PERCENT DEAD <br />NEITHER THE APPROXIMATE LC50 CALCULATION NOR THE MOVING <br />AVERAGE METHOD CAN BE USED WITH THIS SET OF DATA. <br />EITHER THE HIGHEST CONCENTRATION KILLED LESS THAN 50 <br />PERCENT OR THE LOWEST KILLED MORE THAN 50 PERCENT. <br />IF THE PROBIT SLOPE IS NEGATIVE, ENTER THE DATA AGAIN <br />USING THE NUMBER ALIVE INSTEAD OF THE NUMBER DEAD. <br />RESULTS CALCULATED USING THE PROBIT METHOD <br />-------------------------------------------------------------------------------- <br />GOODNESS OF FIT <br />ITERATIONS G H CHI-SQUARE PROBABILITY <br />-------------------------------------------------------------------------------- <br />5 0.464 1.000 1.275 0.735 <br />SLOPE = 2.663442 <br />95 PERCENT CONFIDENCE LIMITS = <br />LC50 = 215.677 <br />95 PERCENT CONFIDENCE LIMITS = <br />LC1 = 28.86591 <br />95 PERCENT CONFIDENCE LIMITS = <br />.8498462 AND 4.477037 <br />133.8018 AND 2212.041 <br />3.688547 AND 44.40931 <br />COMPARE RESULTS WITH ORIGINAL DATA TO SEE IF THEY ARE <br />REASONABLE.