EPA.89b.t29.df {EnvStats}

T-29 Concentrations from 1989 USEPA Guidance Document

Description

T-29 concentrations (ppm) at two compliance wells (four monthly samples at each well, four replicates within each month). Detection limit is not given.

Usage

EPA.89b.t29.df

Format

A data frame with 32 observations on the following 6 variables.

T29.orig

a character vector of the original T-29 concentrations (ppm)

T29

a numeric vector of T-29 concentrations with <? coded as 0

Censored

a logical vector indicating which observations are censored

Month

a factor indicating the month of collection

Replicate

a factor indicating the replicate number

Well

a factor indicating the well number

Source

USEPA. (1989b). Statistical Analysis of Ground-Water Monitoring Data at RCRA Facilities, Interim Final Guidance. EPA/530-SW-89-026. Office of Solid Waste, U.S. Environmental Protection Agency, Washington, D.C. p.6-10.