Atrazine concentrations in Nebraska ground water – Alternative
Alternative Atrazine concentrations altered from the Atra data set so that there are more nondetects, adding a second detection limit at 0.05.
Objective is to determine if concentrations increase from June to September. There are two detection limits, at 0.01 and 0.05 ug/L. Used in Chapters 5 and 9 of the NADA book.
data(AtraAlt)
Altered from the data of Junk et al., 1980, Journal of Environmental Quality 9, pp. 479-483.
Helsel, Dennis R. (2005). Nondectects and Data Analysis; Statistics for censored environmental data. John Wiley and Sons, USA, NJ.
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