Organic and inorganic contaminant concentration data from Superfund sites; see Singh et al. (1997).
data(contaminants)Four numeric vectors of respective lengths 17, 17, 23 and 23.
aluminium1 and manganese are groundwater concentration measurements of aluminium and manganese from seventeen wells at the Naval Construction Battalion Center Superfound Site in Rhode Island.
aluminium2 and toluene are concentration measurements of aluminium and toluene compiled from two waste piles at Elmara School Superfound site in Washington County, PA.