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EnvStats (version 3.0.0)

EPA.89b.cadmium.df: Cadmium Concentrations from 1989 USEPA Guidance Document

Description

Cadmium concentrations (mg/L) at one set of background and one set of compliance wells. Nondetects reported as "BDL". Detection limit not given.

Usage

EPA.89b.cadmium.df

Arguments

Format

A data frame with 88 observations on the following 4 variables.

Cadmium.orig

a character vector of the original cadmium observations (mg/L)

Cadmium

a numeric vector with BDL coded as 0

Censored

a logical vector indicating which observations are censored

Well.type

a factor indicating the well type (background vs. compliance)