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STUDY NO. : 238-93 ASSAY START,.".11/01/93 <br /> SPECIES: Pimephales promelas EXPOSURE: 96 hours <br /> SAMPLE: SDS Ref Tox Test SOFT Batch 090893 Lab <br /> O <br /> SUMMARY TABLE <br /> 01-01-1980 00 : 20 :43 <br /> Data: Conc. Exposed Dead Percent <br /> 50 20 19 95 <br /> 25 20 10 50 <br /> 12.5 20 3 15 <br /> 6 . 25 20 0 0 <br /> 3 .1 20 0 0 <br /> LC50 Lower 95% Limit Upper 95% Limit <br /> Probit Analysis 23 .23474 18 .88599 28 .80504 <br /> Moving Average 22. 87834 18 . 74524 28. 95456 Span= 3 <br /> Spearman-Karber 23 . 82512 19.06122 29 . 77965 Alpha= 10 <br /> 2ompare results with original data to see if they are reasonable. <br /> 100-------------------------------------- <br /> X X=data pt. <br /> R 80- <br /> S� - <br /> v <br /> P 60- <br /> <--+---> Probit <br /> k - <---X---> Mov. Ave. <br /> <--+---> Trim. S-K <br /> 40- <br /> 1' <br /> 20- <br /> X <br /> 0--X-----------X------------------------------------ <br /> I I I I I I Concentration <br /> 0. 3 0 . 5 1 . 0 1.5 3 . 0 5.0 x 10** 1 <br />