Format
A data frame with 16 observations on the following 2 variables.
Data.Source
- a factor with levels
Historical
, Case.1
, Case.2
Arsenic.ug.per.l
- a numeric vector of arsenic concentrations ($\mu$g/L)
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.7-26. 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.