EPA.09.Ex.16.4.copper.df: Copper Concentrations from Example 16-4 of 2009 USEPA...

Description Usage Format Source

Description

Copper concentrations (ppb) at two background wells and one compliance well (six measures at each well).

Usage

1

Format

A data frame with 18 observations on the following 4 variables.

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)

Copper.ppb

a numeric vector of copper concentrations (ppb)

Source

USEPA. (2009). Statistical Analysis of Groundwater Monitoring Data at RCRA Facilities, Unified Guidance. EPA 530/R-09-007, March 2009. Office of Resource Conservation and Recovery Program Implementation and Information Division. U.S. Environmental Protection Agency, Washington, D.C. p.16-19.

USEPA. (2010). Errata Sheet - March 2009 Unified Guidance. EPA 530/R-09-007a, August 9, 2010. Office of Resource Conservation and Recovery, Program Information and Implementation Division. U.S. Environmental Protection Agency, Washington, D.C.



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