Benzene concentrations (ppb) collected at a landfill that previously handled smelter waste and is now undergoing remediation efforts.
EPA.09.Ex.21.2.benzene.df
A data frame with 8 observations on the following 4 variables.
Month
a numeric vector indicating the month of collection
Benzene.ppb.orig
a character vector of original benzene concentrations (ppb)
Benzene.ppb
a numeric vector of benzene concentrations (ppb) with nondetects set to their detection limit
Censored
a logical vector indicating which observations are censored