Figure 6	
"Trends in the Occurrence of MTBE in Drinking Water Derived from Ground Water in 6 Northeast States, 1993-2006"	

Title:	"Proportion of all data on methyl tert-butyl ether in  drinking water derived from ground water from each of six Northeast States, 1993-2006."


Description:	This is a graph of the proportion of all data on MTBE in drinking water from public water systems by State in which the public water systems were located.
	
	
	
Origin of data:	The data were obtained from the full data set on MTBE in drinking water:  frozen_data_set_for_both_original_and_new_reports.rdb
	
	
	
Manipulation of data set:	Theproportion of total data on MTBE in drinking water was computed for each State in which the systems were located.
	
	
	
Other:	
	
	
	
