Arsenic Concentrations from Example 11-1 of 2009 USEPA Guidance Document
Arsenic concentrations (ppb) at six wells (four observations per well).
EPA.09.Ex.11.1.arsenic.df
A data frame with 24 observations on the following 3 variables.
Arsenic.ppba numeric vector of arsenic concentrations (ppb)
Montha factor indicating the month of collection
Wella factor indicating the well number
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.11-3.
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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