slubst3100: Data for BST 3100 at Saint Louis University

#' Flint, Michigan, lead levels
#'
#' A dataset containing lead levels from the Michigan Department of
#' Environmental Quality (MDEQ) study on lead levels in Flint, MI, drinking
#' water after the city switched water sources to the Flint River.
#'
#' @format A data frame with 71 rows and 3 variables: 
#'  \describe{
#'   \item{sample}{Sample identification number}
#'   \item{lead}{The recorded lead concentration in ppb (parts per billion)}
#'   \item{lead2}{The sample reported to the EPA, with removed samples labelled 
#'   as \code{NA}}
#'  }
#' @source \url{file:///C:/Users/loux/Zotero/storage/MWUIW9I6/all-flint-water-crisis-related-documents-concerning-mdeq-and-mdhhs-obtained-so-far-via-freedom-.html}
"flint"