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EPA.92c.copper1.df: Copper Concentrations from 1992 USEPA Guidance Document

Description

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

Usage

EPA.92c.copper1.df

Arguments

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)