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Last modified
7/14/2009 5:01:47 PM
Creation date
5/20/2009 5:15:21 PM
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UCREFRP
UCREFRP Catalog Number
9637
Author
American Society For Testing And Materials.
Title
Standard Practice For Conducting Acute Toxicity Tests With Fishes, Microinvertebrates, And Amphibians.
USFW Year
1980.
USFW - Doc Type
Philadelphia, PA.
Copyright Material
YES
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<br /> ~~r~ E 729 <br />TABLE 8 Hypothetical Sets of Data and Calculated <br /> Results <br /> Data Sets <br />Concen- Number Number Dead <br />tration, <br />mg/L Exposed A B C D E <br />100 10 10 10 10 10 10 <br />60 10 10 10 10 10 10 <br />36 10 10 10 4 7 3 <br />22 10 I 7 I 2 2 <br />13 10 0 0 0 0 0 <br />7.8 10 0 0 0 0 0 <br />Control 10 0 0 0 0 0 <br /> Range of Acceptable Values <br /> <br />Data <br />Set <br /> <br />LC50, mg/L <br /> <br />95 % Confidence Limits, <br />mg/L <br /> <br />A <br />B <br />C 34.2-38.5 <br />D 29.1-30.0 <br />E 33.9-40.6 <br /> <br />Lower Upper <br /> A <br />B B <br />26.1-30.7 43.4-47.2 <br />22.2-23.9 36.3-38.9 <br />26.1-30.8 44.3-46.6 <br /> <br />A The binomial test shows that 22 and 36 can be used as <br />statistically sound conservali ve 95 % confidence limits since <br />the actual confidence level associated with these limits is <br />greater than 95 %. <br />B The binomial test shows that 13 and 36 can be used as <br />statistically sound conservative 95 % confidence limits since <br />the actual confidence level associated with these limits is <br />greater than 95 %. <br /> <br />25 <br />
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