T-29 concentrations (ppm) at two compliance wells (four monthly samples at each well, four replicates within each month). Detection limit is not given.
A data frame with 32 observations on the following 6 variables.
a character vector of the original T-29 concentrations (ppm)
a numeric vector of T-29 concentrations with
<? coded as
a logical vector indicating which observations are censored
a factor indicating the month of collection
a factor indicating the replicate number
a factor indicating the well number
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.6-10.