Appendix 1.

Chlorinated pesticides and PCBs measured in Columbia River white sturgeon livers and gonads.

Chlorinated pesticide	PCB (IUPAC no.)
Aldrin	2,2′,5-Trichlorobiphenyl (18)
α-BHC	2,4,4′-Trichlorobiphenyl (28)
β-BHC	2,2′,3,5′-Tetrachlorobiphenyl (44)
γ-BHC	2,2′,5,5′-Tetrachlorobiphenyl (52)
δ-BHC	2,3,4,4′-Tetrachlorobiphenyl (60)
p,p′-DDD	2,3′,4,4′-Tetrachlorobiphenyl (66)
p,p′-DDE	2,4,4′,5-Tetrachlorobiphenyl (74)
p,p′-DDT	3,3′,4,4′-Tetrachlorobiphenyl (77)
Dieldrin	2,2′,3,4,5′-Pentachlorobiphenyl (87)
Endrin	2,2′,4,4′,5-Pentachlorobiphenyl (99)
Endrin aldehyde	2,2′,4,5,5′-Pentachlorobiphenyl (101)
Endrine ketone	2,3,3′,4,4′-Pentachlorobiphenyl (105)
Endosulfan I	2,3,3′,4′,6-Pentachlorobiphenyl (110)
Endosulfan II	2,3′,4,4′,5-Pentachlorobiphenyl (118)
Endosulfan sulfate	3,3′,4,4′,5-Pentachlorobiphenyl (126)
Heptachlor	2,2′,3,3′,4,4′-Hexachlorobiphenyl (128)
Heptachlor epoxide	2,2′,3,4,4′,5′-Hexachlorobiphenyl (138)
p,p′-Methoxychlor	2,2′,3,5,5′,6-Hexachlorobiphenyl (151)
	2,2′,4,4′,5,5′-Hexachlorobiphenyl (153)
	2,3,3′,4,4′,5-Hexachlorobiphenyl (156)
	3,3′,4,4′,5,5′-Hexachlorobiphenyl (169)
	2,2′,3,3′,4,4′,5-Heptachlorobiphenyl (170)
	2,2′,3,4,4′,5,5′-Heptachlorobiphenyl (180)
	2,2′,3,4,4′,5′,6-Heptachlorobiphenyl (183)
	2,2′,3,4′,5,5′,6-Heptachlorobiphenyl (187)
	2,2′,3,3′,4,4′,5,5′-Octachlorobiphenyl (194)
	2,2′,3,3′,4,5,5′,6′-Octachlorobiphenyl (199)
	2,2′,3,4,4′,5,5′,6-Octachlorobiphenyl (203)

Abbreviations: BHC, benzene hexachloride; IUPAC, International Union of Pure and Applied Chemistry.