Site:	Kodiak Island,	Tugidak Island
		Karluk
Chlorinated analytes	Animal ID:	AKI 101	AKI 102
	Sample no.:	59-438	59-440
hexachlorobenzene		75	11
lindane (gamma-BHC)		2	0.4
heptachlor		3	nd
aldrin		nd	1
heptachlor epoxide		11	1
alpha-chlordane		2	0.7
trans-nonachlor		37	2
dieldrin		34	3
mirex		9	0.6
o,p'-DDE		5	3
p,p'-DDE		66	4
o,p'-DDD		14	nd
p,p'-DDD		8	0.6
o,p'-DDT		nd	nd
p,p'-DDT		0.6	nd
trichlorobiphenyls		9	2
tetrachlorobiphenyls		430	23
pentachlorobiphenyls		220	24
hexachlorobiphenyls		99	12
heptachlorobiphenyls		95	11
octachlorobiphenyls		22	3
nonachlorobiphenyls		2	3
decachlorobiphenyl		4	1
sample weight, grams		1.02	0.99
% lipid		2.9	1.5

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Table A4. Liver. Concentrations, ng/g wet weight, of individual polychlorinated biphenyl (PCB) isomers in Alaska gray whales.

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	Site:	Kodiak Island,	Tugidak Island
		Karluk
Individual PCB isomers	Animal ID:	AKI 101	AKI 102
	Sample no.:	59-438	59-440
2,2',5-trichlorobiphenyl (no. 18) *		nd	7
2,4,4'-trichlorobiphenyl (no. 28)		6	2
2,2',3,5'-tetrachlorobiphenyl (no. 44)		19	4
2,2',5,5'-tetrachlorobiphenyl (no. 52)		34	4
2,3',4,4'-tetrachlorobiphenyl (no. 66)		13	1
2,2',4,5,5'-pentachlorobiphenyl (no. 101)		35	3
2,3,3'4,4'-pentachlorobiphenyl (no. 105)		5	0.7
2,3',4,4',5-pentachlorobiphenyl (no. 118)		9	1
2,2',3,3',4,4'-hexachlorobiphenyl (no. 128)		3	0.2
2,2',3,4,4',5'-hexachlorobiphenyl (no. 138)		23	5
2,2',4,4',5,5'-hexachlorobiphenyl (no. 153)		85	4
2,2',3,3',4,4',5-heptachlorobiphenyl (no. 170)		17	2
2,2',3,4,4',5,5'-heptachlorobiphenyl (no. 180)		7	0.5
2,2',3,4',5,5',6-heptachlorobiphenyl (no. 187)		12	0.9
2,2',3,3',4,4',5,6-octachlorobiphenyl (no. 195)		0.9	0.8
2,2',3,3',4,4',5,5',6-nonachlorobiphenyl (no. 206)		0.8	2
2,2',3,3',4,4',5,5',6,6'-decachlorobiphenyl (no. 209)		4	1

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* The accepted numbering system for PCB isomers as developed by Ballschmiter and Zell (1980).