EPA.09.Ex.17.2.toluene.df: Toluene Concentrations from Example 17-2 of 2009 USEPA...

Description Usage Format Source

Description

Toluene concentrations (ppb) at two background and three compliance wells (five monthly measures at each well).

Usage

1

Format

A data frame with 25 observations on the following 6 variables.

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)

Toluene.ppb.orig

a character vector of original toluene concentrations (ppb)

Toluene.ppb

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

Censored

a logical vector indicating which observations are censored

Source

USEPA. (2009). Statistical Analysis of Groundwater Monitoring Data at RCRA Facilities, Unified Guidance. EPA 530/R-09-007, March 2009. Office of Resource Conservation and Recovery Program Implementation and Information Division. U.S. Environmental Protection Agency, Washington, D.C. p.17-13.

USEPA. (2010). Errata Sheet - March 2009 Unified Guidance. EPA 530/R-09-007a, August 9, 2010. Office of Resource Conservation and Recovery, Program Information and Implementation Division. U.S. Environmental Protection Agency, Washington, D.C.



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