Analyte Concentrations from Example 14-8 of 2009 USEPA Guidance Document
Monthly unadjusted and adjusted analyte concentrations over a 3-year period. Adjusted concentrations are computed by subtracting the monthly mean and adding the overall mean.
EPA.09.Ex.14.8.df
A data frame with 36 observations on the following 4 variables.
Montha factor indicating the month of collection
Yeara numeric vector indicating the year of collection
Unadj.Conca numeric vector of unadjusted concentrations
Adj.Conca numeric vector adjusted concentrations
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.14-32.
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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