Xylene concentrations (ppb) at three background wells and one compliance well. Eight monthly measures at each complaince well; three monthly measures at the compliance well.
A data frame with 32 observations on the following 6 variables.
a factor indicating the month of collection
a factor indicating the well number
a factor indicating the well type (background vs. compliance)
a character vector of original xylene concentrations (ppb)
a numeric vector of xylene concentrations (ppb) with nondetects set to their detection limit
a logical vector indicating which observations are censored
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.18-22.
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.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.