Year	Congener Number	Congener CAS#	Congener Name	Congener Abbreviation	Toxic Equivalency Factor (TEF)	TEF Year
2008	1	001746016	2,3,7,8-Tetrachlorodibenzo- p-dioxin	2,3,7,8-TCDD	1	2005
2008	2	040321764	1,2,3,7,8-Pentachlorodibenzo- p-dioxin	1,2,3,7,8-PeCDD1	1	2005
2008	3	039227286	1,2,3,4,7,8-Hexachlorodibenzo- p-dioxin	1,2,3,4,7,8-HxCDD	.1	2005
2008	4	057653857	1,2,3,6,7,8-Hexachlorodibenzo- p-dioxin	1,2,3,6,7,8-HxCDD	.1	2005
2008	5	019408743	1,2,3,7,8,9-Hexachlorodibenzo- p-dioxin	1,2,3,7,8,9-HxCDD	.1	2005
2008	6	035822469	1,2,3,4,6,7,8-Heptachlorodibenzo- p-dioxin	1,2,3,4,6,7,8-HpCDD	.01	2005
2008	7	003268879	1,2,3,4,6,7,8,9-Octachlorodibenzo- p-dioxin	1,2,3,4,6,7,8,9-OCDD	.0003	2005
2008	8	051207319	2,3,7,8-Tetrachlorodibenzofuran 2,3,7,8-TCDF	2,3,7,8-TCDF	.1	2005
2008	9	057117416	1,2,3,7,8-Pentachlorodibenzofuran 1,2,3,7,8-PeCDF	1,2,3,7,8-PeCDF	.03	2005
2008	10	057117314	2,3,4,7,8-Pentachlorodibenzofuran 2,3,4,7,8-PeCDF	2,3,4,7,8-PeCDF	.3	2005
2008	11	070648269	1,2,3,4,7,8-Hexachlorodibenzofuran 1,2,3,4,7,8-HxCDF	1,2,3,4,7,8-HxCDF	.1	2005
2008	12	057117449	1,2,3,6,7,8-Hexachlorodibenzofuran 1,2,3,6,7,8-HxCDF	1,2,3,6,7,8-HxCDF	.1	2005
2008	13	072918219	1,2,3,7,8,9-Hexachlorodibenzofuran 1,2,3,7,8,9-HxCDF	1,2,3,7,8,9-HxCDF	.1	2005
2008	14	060851345	2,3,4,6,7,8-Hexachlorodibenzofuran 2,3,4,6,7,8-HxCDF	2,3,4,6,7,8-HxCDF	.1	2005
2008	15	067562394	1,2,3,4,6,7,8-Heptachlorodibenzofuran 1,2,3,4,6,7,8-HpCDF	1,2,3,4,6,7,8-HpCDF	.01	2005
2008	16	055673897	1,2,3,4,7,8,9-Heptachlorodibenzofuran 1,2,3,4,7,8,9-HpCDF	1,2,3,4,7,8,9-HpCDF	.01	2005
2008	17	039001020	1,2,3,4,6,7,8,9-Octachlorodibenzofuran 1,2,3,4,6,7,8,9-OCDF	1,2,3,4,6,7,8,9-OCDF	.0003	2005