Nickel Concentrations from Example 10-1 of 2009 USEPA Guidance Document

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Description

Nickel concentrations (ppb) from four wells (five observations per year for each well). The Guidance Document has the label “Year” instead of “Well”; corrected in Errata.

Usage

1

Format

A data frame with 20 observations on the following 3 variables.

Month

a numeric vector indicating the month the sample was taken

Well

a factor indicating the well number

Nickel.ppb

a numeric vector of nickel 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.10-12.

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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