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EPA.09.Ex.22.1.VC.df: Vinyl Chloride Concentrations from Example 22-1 of 2009 USEPA Guidance Document

Description

Vinyl Chloride (VC) concentrations (ppb) during detection monitoring for two compliance wells. Four years of quarterly measures at each well. Compliance monitoring began with Year 2 of the sampling record.

Usage

EPA.09.Ex.22.1.VC.df

Arguments

Format

A data frame with 32 observations on the following 5 variables.

Year

a factor indicating the year of collection

Quarter

a factor indicating the quarter of collection

Period

a factor indicating the period (background vs. compliance)

Well

a factor indicating the well number

VC.ppb

a numeric vector of VC concentrations (ppb)