Chlordane 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)

Format

A data frame with 32 observations on the following 5 variables.

Chlordane

Chlordane concentration (ppb)

Month

a factor indicating the month of collection

Year

a numeric vector indicating the year of collection (85 or 86)

Replicate

a factor indicating the replicate number

Well.type

a factor indicating the well type (background vs. compliance)

Source

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.