Learn R Programming

EnvStats (version 3.0.0)

EPA.09.Table.9.1.TCE.df: Trichloroethene concentrations in Table 9.1 of 2009 USEPA Guidance Document

Description

Time series of trichloroethene (TCE) concentrations (mg/L) taken at 2 separate wells. Some observations are annotated with a data qualifier of U (nondetect) or J (estimated detected concentration).

Usage

EPA.09.Table.9.1.TCE.df

Arguments

Format

A data frame with 30 observations on the following 5 variables.

Date.Collected

a factor indicating the date of collection

Date

a Date object indicating the date of collection

Well

a factor indicating the well number

TCE.mg.per.L

a numeric vector indicating the TCE concnetrations (mg/L)

Data.Qualifier

a factor indicating the data qualifier