EnvStats (version 2.3.1)

EPA.09.Ex.12.1.ccl4.df: Carbon Tetrachloride Concentrations from Example 12-1 of 2009 USEPA Guidance Document

Description

Carbon tetrachloride (CCL4) concentrations (ppb) at five background wells (four measures at each well).

Usage

EPA.09.Ex.12.1.ccl4.df

Arguments

Format

A data frame with 20 observations on the following 2 variables.

Well

a factor indicating the well number

CCL4.ppb

a numeric vector of CCL4 concentrations (ppb)