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EPA.89b.manganese.df: Manganese Concentrations from 1989 USEPA Guidance Document

Description

Manganese concentrations at six monitoring wells (four monthly samples for each well).

Usage

EPA.89b.manganese.df

Arguments

Format

A data frame with 24 observations on the following 3 variables.

Manganese

Manganese concentrations

Month

a factor indicating the month of collection

Well

a factor indicating the well number