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~G~ <br />Reference Toxicity Data Chart(s) <br />Daphnia magna <br />LC 50 Survival <br />NaCI Reftox <br />2004-2006 <br />F-525 <br />)u1-04 4.90 <br />Aug-04 3.88 <br />Sep-04 3.79 <br />Oct-04 4.26 <br />Nov-04 4.49 <br />Dec-04 4.76 <br />Jan-os 3.40 <br />Feb-OS 4.06 <br />Mar-OS 4.04 <br />Apr-OS 4.12 <br />May-OS 3.76 <br />Jun-os 3.a6 <br />Dec-06 4.55 <br />Feb-O6 4.74 <br />Maz-06 5.25 <br />9 <br />6.50 <br />6.00 <br />;, s.so <br />s.oo <br />~ 4.50 <br />~ 4.00 <br />v 3.s0 <br />.a 3.00 <br />2.so <br />o o° o 0 0 0 0 0 0 0 <br />ti a o ro ~ ~ ~ ~',' o n <br />vi z ~-, vi 2 .~ <br />Mean = q.257 <br />Standard Deviation = 0.510 <br />2 Standard Deviations = 1.019 <br />3 Standard Deviations = 1.529 <br />Low Limit = 3.238 <br />High Limit = 5.276 <br />Coefficient of Variation = 17.97 <br />SGS North America Inc. Minerals Services Division <br />4665 Paris Stree[, Suite B-200, Denver, CO 80239 t (3031373-4772 f 13031373-4791 www.sgs.com <br />Member of the SGS Group <br />