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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 />n <br />Jul-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 4.0G <br />Maz-OS 4.04 <br />Apo-05 4.12 <br />May-OS 3.76 <br />Jun-OS 3.8G <br />Dec-06 4.55 <br />Feb-06 4.74 <br />Mar-06 5.25 <br />Apr-06 4.74 <br />May-06 3.G0 <br />Jun-06 4.21 <br />Jul-06 5.12 <br />6.50 <br />6.00 <br />Y <br />5.50 <br />~ 5.00 <br />E 4.50 <br />m <br />~ 4.00 <br />„ 3.50 <br />.07 3.00 <br />2.50 <br />1' ~}' ~ a a' d' v1 u7 N N ut N N ~ ul ut N N ~ ~ V' VJ 'V ~ b <br />0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 <br />GO p, P u C p P Ep d Y u G .~ ~ d m C <br />Mean 4.291 <br />Standard Deviation 0.528 <br />2 Standard Deviadons 1.056 <br />3 Standard Deviations 1.585 <br />Low Limit 3.234 <br />High Limit 5.347 <br />Coefficient of Variation 12.3% <br />9 <br />