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

Description Usage Format Source

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.


EnvStats documentation built on Oct. 10, 2017, 1:05 a.m.