	CT				MD				ME				NH				NJ				RI					All			
	PWSs	All concentrations		median MTBE content in gasoline	PWSs	All concentrations		median MTBE content in gasoline	PWSs	All concentrations		median MTBE content in gasoline	PWSs	All concentrations		median MTBE content in gasoline	PWSs	All concentrations		median MTBE content in gasoline	PWSs	All concentrations		median MTBE content in gasoline	PWSs	All concentrations			median MTBE content in gasoline
		75th percentile	95th percentile			75th percentile	95th percentile			75th percentile	95th percentile			75th percentile	95th percentile			75th percentile	95th percentile			75th percentile	95th percentile			75th percentile		95th percentile	

1990																0.6											1990		0.55
1991				0.5				2.0								0.6				0.8				0.4			1991		1
1992								2.4								0.4				0.3				0.5			1992		0.6
1993	13	0	0.6	0.4				10.7					180	0	0.0	1.1				6.3				1.2	193	0	1993		3.2
1994	26	0	2.5	2.8				10.3					170	0	0.0	2.5				7.4				3.0	196	0	1994		4.8
1995	78	0	1.4	10.5	727	0	0.0	11.3	239	0	0.0		174	0	1.2	9.8				13.4	52	0	0.0	10.1	1270	0	1995		10.8
1996	35	0	4.1	10.4	445	0	0.0	9.3	255	0	0.0		170	0	2.8	10.8				11.5	51	0	2.0	11.0	956	0	1996	0.4	10.2
1997	28	0	27.8	10.5	423	0	0.9	9.5	184	0	1.7		167	0	1.9	10.1	398	0	3.8	11.1	26	0	0.0	10.5	1226	0	1997	1.6	9.9
1998				10.2	538	0	0.0	9.7	141	0	2.1		172	0	3.7	10.6	714	0	2.1	10.7	21	0	6.5	11.4	1586	0	1998	1.2	10.2
1999				9.6	302	0	1.1	9.7	160	0	1.4		271	0	4.6	9.6	618	0	1.9	10.9	20	0	2.8	9.4	1371	0	1999	1.5	9.9
2000				8.9	295	0	1.2	9.6	106	0	3.8		212	0.7	3.6	8.8	780	0	1.4	10.4	30	1.1	7.9	9.0	1423	0	2000	1.6	9.7
2001				9.3	308	0	2.1	9.8	46	0	1.4		136	0.1	3.8	11.5	908	0	1.2	10.3	38	0	3.7	8.3	1436	0	2001	1.3	10.2
2002	664	0	4.2	10.0	334	0	2.1	10.0	142	0	1.9		122	0.4	4.5	10.0	788	0	2.0	10.5	28	0	6.7	9.9	2078	0	2002	1.6	10.1
2003	710	0	5.0	8.9	375	0	2.2	9.9	181	0	1.0		114	0.7	5.0	10.7	851	0	1.3	9.8	36	0	5.4	9.7	2267	0	2003	1.2	9.95
2004	929	0	2.9	0.1	536	0	1.3	10.5	176	0	0.0		104	0	2.0	11.2	929	0	1.2	0.2	41	0	3.3	11.0	2715	0	2004	1	9.9
2005	776	0	1.4	0.1	89	0	1.7	10.3	156	0	0.0		56	0.6	4.1	10.2	618	0	1.8	0.2				11.6	1695	0	2005	0.9	9.6
2006	635	0	1.2	0.0				0.1	149	0	0.0					0.1				0.0				0.0	784	0	2006	0.6	0
