Postmortem Health and Pollution Investigations on Harbor Seals (Phoca vitulina) of the Islands Helgoland and Sylt

Table 4

Chlorinated pesticides and PCBs in plasma in ng L⁻¹.

	Pv 01	Pv 02	Pv 03	Pv 04	Pv 05
HCB	227	82	49	66	50
Beta-HCH	74	23	42	14	21
Gamma-HCH	17	nd	<10	nd	nd
Delta-HCH	nd	nd	nd	nd	nd
Heptachlor	nd	nd	26	nd	nd
Aldrin	nd	nd	45	nd	20
Heptachlor epoxide	437	115	404	274	288
Trans-Chlordane	61	11	72	<10	23
cis-Chlordane	nd	21	77	37	69
Dieldrin	329	583	500	191	237
Endrin	nd	nd	nd	nd	nd
Endosulfan	76	15	25	nd	13
2,4′-DDE	nd	nd	nd	153	nd
4,4′-DDE	6.050	9.940	9.880	8.320	12.000
2,4′-DDT	nd	210	350	92	223
4,4′-DDT	477	798	730	844	876
Methoxychlor	705	1.200	—	992	1.010
PCB 28	522	—	294	166	541
PCB 37	nd	nd	10	nd	nd
PCB 52	785	399	207	121	1.210
PCB 77	404	214	357	68	505
PCB 81	nd	91	nd	nd	nd
PCB 87	2.520	2.170	1.320	360	2.160
PCB 99	1.400	1.200	731	199	1.200
PCB 101	5.160	4.450	2.700	738	4.440
PCB 105	312	37	79	28	109
PCB 114	nd	nd	nd	nd	nd
PCB 118	207	193	388	161	199
PCB 123	nd	nd	nd	nd	nd
PCB 126	nd	nd	nd	nd	nd
PCB 128	809	659	862	459	1.260
PCB 138	5.330	4.630	5.560	2.470	9.140
PCB 153	17.400	12.600	15.400	5.360	26.310
PCB 156	98	131	110	40	129
PCB 157	30	30	34	13	37
PCB 158	46	47	53	21	58
PCB 167	19	19	22	<10	24
PCB 168	14	14	16	<10	17
PCB 169	nd	nd	nd	nd	nd
PCB 170	815	1.090	787	200	1.440
PCB 180	3.930	3.380	2.060	561	3.380
PCB 183	266	315	250	86	460
PCB 189	11	15	11	<10	16
PCB 194	82	118	79	16	130