Copper Concentrations from 1992 USEPA Guidance Document

Copper concentrations (ppb) at two background and one compliance wells (six monthly samples for each well).

EPA.92c.copper1.df

Format

A data frame with 18 observations on the following 4 variables.

Copper

a numeric vector of copper concentrations (ppb)

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)

Source

USEPA. (1992c). Statistical Analysis of Ground-Water Monitoring Data at RCRA Facilities: Addendum to Interim Final Guidance. Office of Solid Waste, U.S. Environmental Protection Agency, Washington, D.C. p.47.