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EPA.09.Ex.17.2.toluene.df: Toluene Concentrations from Example 17-2 of 2009 USEPA Guidance Document

Description

Toluene concentrations (ppb) at two background and three compliance wells (five monthly measures at each well).

Usage

EPA.09.Ex.17.2.toluene.df

Arguments

Format

A data frame with 25 observations on the following 6 variables.

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)

Toluene.ppb.orig

a character vector of original toluene concentrations (ppb)

Toluene.ppb

a numeric vector of toluene concentrations (ppb) with nondetects set to their detection limit

Censored

a logical vector indicating which observations are censored