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.

Usage

1

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 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.


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