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EPA.09.Ex.16.2.benzene.df: Benzene Concentrations from Example 16-2 of 2009 USEPA Guidance Document

Description

Benzene concentrations (ppb) at one background and one downgradient well (eight monthly measures at each well).

Usage

EPA.09.Ex.16.2.benzene.df

Arguments

Format

A data frame with 16 observations on the following 3 variables.

Month

a factor indicating the month of collection

Well.type

a factor indicating the well type (background vs. downgradient)

Benzene.ppb

a numeric vector of benzene concentrations (ppb)