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EPA.09.Table.9.3.df: Arsenic, Mercury and Strontium Concentrations in Table 9-3 of 2009 USEPA Guidance Document

Description

Arsenic, mercury, and strontium concentrations (mg/L) from a single well collected approximately quarterly. Nondetects are indicated by the data qualifier U.

Usage

EPA.09.Table.9.3.df

Arguments

Format

A data frame with 15 observations on the following 8 variables.

Date.Collected

a factor indicating the date of collection

Date

a Date object indicating the date of collection

Arsenic.mg.per.L

a numeric vector of arsenic concentrations (mg/L)

Arsenic.Data.Qualifier

a factor indicating the data qualifier for arsenic

Mercury.mg.per.L

a numeric vector of mercury concentrations (mg/L)

Mercury.Data.Qualifier

a factor indicating the data qualifier for mercury

Strontium.mg.per.L

a numeric vector of strontium concentrations

Strontium.Data.Qualifier

a factor indicating the data qualifier for strontium