Learn R Programming

EnvStats (version 2.1.1)

EPA.92c.toluene.df: Toluene Concentrations from 1992 USEPA Guidance Document

Description

Toluene concentrations (ppb) at two background and three compliance wells (five monthly samples at each well). Nondetects reported as <5< code="">.

Usage

EPA.92c.toluene.df

Arguments

Format

A data frame with 25 observations on the following 6 variables.
Toluene.orig
a character vector of original toluene concentrations (ppb)
Toluene
a numeric vector of toluene concentrations with <5< code=""> coded as 5
Censored
a logical vector indicating which observations are censored
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)

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.43.