EPA.89b.chlordane2.df.RdChlordane concentrations (ppb) at one background and one compliance well. Observations taken during four separate months over two years. Four replicates taken for each “month/year/well type” combination.
data(EPA.89b.chlordane2.df)A data frame with 32 observations on the following 5 variables.
ChlordaneChlordane concentration (ppb)
Montha factor indicating the month of collection
Yeara numeric vector indicating the year of collection (85 or 86)
Replicatea factor indicating the replicate number
Well.typea 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.5-27.