Matched context for filtered and treated

The page lists matched contexts for filtered and treated.

Share - filtered	Share - treated	Phrase
14.71%	45.39%	{filtered or treated} [state] oil
12.64%	6.76%	{filtered or treated} [state] air
6.91%	7.92%	{filtered or treated} [state] fuel
1.15%	4.14%	{filtered or treated} [state] gas