EnvStats (version 2.4.0)

EPA.09.Ex.12.4.naphthalene.df: Naphthalene Concentrations from Example 12-4 of 2009 USEPA Guidance Document

Description

Naphthalene concentrations (ppb) at five background wells (five quarterly measures at each well).

Usage

EPA.09.Ex.12.4.naphthalene.df

Arguments

Format

A data frame with 25 observations on the following 3 variables.

Quarter

a numeric vector indicating the quarter the sample was taken

Well

a factor indicating the well number

Naphthalene.ppb

a numeric vector of naphthalene concentrations (ppb)