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.~~~ <br />Reference Toxicity Data Chart(s) <br />Fathead Minnow <br />LC50 Survival <br />Sodium Chloride Reftox <br />2004 - 2006 <br /> <br />• <br />Jul-04 7.89 <br />Aug-04 8.73 <br />Sep-04 7.44 <br />Oct-04 8.12 <br />Nov-04 7.69 <br />Dec-04 8.15 <br />Jan-os 8.zo <br />Feb-OS 8.53 <br />Maz-OS 8.21 <br />Apt-05 8.58 <br />May-OS 9.13 <br />Jun-OS 8.09 <br />Dec-OS 8.49 <br />Jan_06 7.48 <br />Feb-O6 8.24 <br />Maz-06 8.49 <br />Apt-06 7.32 <br />May-O6 8.00 <br />t 0.000 <br />9.500 <br />9.000 <br />8.500 <br />8.000 <br />7.500 <br />7.000 <br />d <br />E <br />rn <br />J <br />~Vy O VI N O N N N N i(1 N ~fI N V7 V) b V1 <br />~~~ciggoooR4°44°~R44° <br />~~ yy~ o d m m m p. m~~ W d a o °Si m v~ qq,. m <br />Q 41 ~ 2 O O LL~ 6~ -~ Q y ~ 2 ~ "+ LL~ Q <br />Mean 8.153 <br />Standazd Deviation 0.474 <br />2 Standazd Deviations 0.947 <br />3 Standard Deviations 1.421 <br />Low Limit 7.206 <br />High Limit 9.101 <br />Coeff of Variation 5.8% <br />8 <br />