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EPA.09.Ex.13.1.iron.df: Iron Concentrations from Example 13-1 of 2009 USEPA Guidance Document

Description

Dissolved iron (Fe) concentrations (ppm) at six upgradient wells (four quarterly measures at each well).

Usage

EPA.09.Ex.13.1.iron.df

Arguments

Format

A data frame with 24 observations on the following 4 variables.

Month

a numeric vector indicating the month the sample was taken

Year

a numeric vector indicating the year the sample was taken

Well

a factor indicating the well number

Iron.ppm

a numeric vector if iron concentrations (ppm)