EPA.89b.manganese.df.RdManganese concentrations at six monitoring wells (four monthly samples for each well).
EPA.89b.manganese.dfA data frame with 24 observations on the following 3 variables.
ManganeseManganese concentrations
Montha factor indicating the month of collection
Wella 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.4-19.