Table 2.

Concentrations of Total PCBs and PCB congeners with dioxin-like activity in selected samples as adjusted wet weight (AWW), and calculated values of Toxicity Equivalencies of PCB126 (PCB 126 EQs) as described in Methods per references [70] and [17].

Year	Decade	Species	AWW, ng g−1
			PCBs, Total	PCB77 as PCB 126 EQ	PCB105 as PCB 126 EQ	PCB118 as PCB 126 EQ	Summed PCB126 EQs	PCB126 LD50 EQs)	100*(PCB126 EQs/Total PCBs)
1972	1970	CT	28815	133.50	0.59	0.12	158.21	1.52	0.55
1972	1970	CT	28744	68.50	0.47	0.10	89.17	0.86	0.31
1972	1970	CT	25837	100.00	0.39	0.09	121.48	1.17	0.47
1972	1970	CT	20560	93.00	0.39	0.08	120.77	1.16	0.59
1972	1970	CT	20002	23.80	0.25	0.06	28.74	0.28	0.14
1972	1970	CT	16515	139.50	0.40	0.09	159.09	1.53	0.96
1972	1970	CT	11991	169.00	0.54	0.11	208.94	2.01	1.74
1972	1970	CT	2628	0.27	0.02	0.01	1.32	0.01	0.05
1972	1970	CT	1553	4.15	0.02	0.01	5.43	0.05	0.35
1972	1970	RT	8246	6.55	0.14	0.03	17.22	0.17	0.21
1994	1990	RT	1152	0.37	0.05	0.02	1.03	0.01	0.09
1995	1990	CT	3852	3.99	0.16	0.06	6.56	0.06	0.17
1995	1990	CT	1698	0.31	0.06	0.03	1.02	0.01	0.06
1996	1990	CT	2534	0.80	0.12	0.05	2.00	0.02	0.08
1996	1990	CT	1600	0.39	0.06	0.03	0.98	0.01	0.06
1998	1990	CT	1694	0.67	0.06	0.03	1.75	0.02	0.10
1998	1990	RT	1614	0.73	0.06	0.03	1.84	0.02	0.11
1998	1990	RT	1403	0.14	0.05	0.02	0.71	0.01	0.05
1999	1990	CT	1646	0.74	0.04	0.02	1.65	0.02	0.10
1999	1990	RT	2030	0.24	0.07	0.03	1.15	0.01	0.06
1999	1990	RT	1705	0.52	0.06	0.03	2.10	0.02	0.12
2005	2000	CT	3112	2.88	0.12	0.06	5.17	0.05	0.17
2005	2000	CT	2434	0.77	0.07	0.03	2.07	0.02	0.08
2005	2000	RT	1289	0.40	0.04	0.02	1.38	0.01	0.11
2005	2000	RT	1145	0.44	0.03	0.02	1.25	0.01	0.11