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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 />C~1 <br /> <br />9 <br />Jut-oa a.9o <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 />Mar05 4.04 <br />Apo-05 4.12 <br />May-OS 3.76 <br />Jun-os 3.s6 <br />Dec-O6 4ss <br />Feb-06 4.74 <br />Mat-O6 s.25 <br />6.50 <br />6.00 <br />;, s.so <br />s.oo <br />fi 4.50 <br />4.00 /'~--+-'~_~~ <br />U 3.50 <br />a 3.00 <br />zso <br />e a v .n .n .n ~ <br />0 0 0 0 0 0 <br />^ h z -, ~ ~ <br />Mean = q,257 <br />Standard Deviation = 0.510 <br />2 Standard Deviations = 1.019 <br />3 Standard Deviations = 1.s29 <br />Low Limit = 3.238 <br />High Limit = s.276 <br />Coefficient of Variation = 11.97 <br />v, .,, .~ ~ <br />0 0 0 0 <br />a o ~ ~ <br />r" z -, ~ <br />SGS North America Inc. I Minerals Services Division <br />4fifi5 Paris Street. Suite B-200. Danvar f.0 Rn739 113031373-a779 113031377-d791 mn.~.~ ~~c rnm <br />