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EPA.89b.lead.df: Lead Concentrations from 1989 USEPA Guidance Document

Description

Lead concentrations (ppm) at two background and four compliance wells (four monthly samples for each well).

Usage

EPA.89b.lead.df

Arguments

Format

A data frame with 24 observations on the following 4 variables.

Lead

Lead concentrations (ppm)

Month

a factor indicating the month of collection

Well

a factor indicating the well number

Well.type

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