TABLE 2.

PCB congeners present in Delor 103 and congener content of each chromatographic peak

Chromatographic peak	PCB no. (IUPAC nomenclature)	Chlorine substitutions
1	5, 8	2,3; 2,4′
2	15, 18	4,4′; 2,2′,5
3	17	2,2′,4
4	16, 32	2,2′,3; 2,4′,6
5	26	2,3′,5
6	31	2,4′,5
7	28	2,4,4′
8	20,33,53	2,3,3′; 2′,3,4′; 2,2′,5,6′
9	45	2,2′,3,6
10	52, 69	2,2′,5,5′; 2,3′,4,6
11	49	2,2′,4,5′
12	47, 75	2,2′,4,4′; 2,4,4′,6
13	48	2,2′,4,5
14	44	2,2′,3,5′
15	37,42,59	3,4,4′; 2,2′,3,4′; 2,3,3′,6
16	41, 64	2,2′,3,4; 2,3,4′,6
17	96	2,2′,3,6,6′
18	74	2,4,4′,5
19	70	2,3′,4′,5
20	66, 88, 95	2,3′,4,4′; 2,2′,3,4,6; 2,2′,3,5′,6
21	101	2,2′,4,5,5′
22	77, 110	3,3′,4,4′; 2,3,3′,4′,6