EPA.89b.loglead.df | R Documentation |
Log-transformed lead concentrations (\mu
g/L) at two background and four
compliance wells (four monthly samples for each well).
EPA.89b.loglead.df
A data frame with 24 observations on the following 4 variables.
LogLead
Natural logarithm of lead concentrations (\mu
g/L)
Month
a factor indicating the month of collection
Well
a factor indicating the well number
Well.type
a factor indicating the well type (background vs. compliance)
USEPA. (1989b). Statistical Analysis of Ground-Water Monitoring Data at RCRA Facilities, Interim Final Guidance. EPA/530-SW-89-026. Office of Solid Waste, U.S. Environmental Protection Agency, Washington, D.C. p.5-11.
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