EPA.09.Ex.14.8.df: Analyte Concentrations from Example 14-8 of 2009 USEPA...

Description Usage Format Source


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.




A data frame with 36 observations on the following 4 variables.


a factor indicating the month of collection


a numeric vector indicating the year of collection


a numeric vector of unadjusted concentrations


a 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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