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EnvStats (version 2.1.1)

EPA.92c.benzene1.df: Benzene Concentrations from 1992 USEPA Guidance Document

Description

Benzene concentrations (ppb) at six background wells (six monthly samples for each well). Nondetects reported as <2< code="">.

Usage

EPA.92c.benzene1.df

Arguments

Format

A data frame with 36 observations on the following 5 variables.
Benzene.orig
a character vector of original benzene concentrations (ppb)
Benzene
a numeric vector of benzene concentrations with <2< code=""> coded as 2
Censored
a logical vector indicating which observations are censored
Month
a factor indicating the month of collection
Well
a factor indicating the well number

Source

USEPA. (1992c). Statistical Analysis of Ground-Water Monitoring Data at RCRA Facilities: Addendum to Interim Final Guidance. Office of Solid Waste, U.S. Environmental Protection Agency, Washington, D.C. p.36.