EnvStats (version 2.3.1)

EPA.09.Ex.21.2.benzene.df: Benzene Concentrations from Example 21-2 of 2009 USEPA Guidance Document

Description

Benzene concentrations (ppb) collected at a landfill that previously handled smelter waste and is now undergoing remediation efforts.

Usage

EPA.09.Ex.21.2.benzene.df

Arguments

Format

A data frame with 8 observations on the following 4 variables.

Month

a numeric vector indicating the month of collection

Benzene.ppb.orig

a character vector of original benzene concentrations (ppb)

Benzene.ppb

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

Censored

a logical vector indicating which observations are censored