Herons 
N=46 N=4 N=35 N=5 N=I7 
(dry wt.) (dry wt.) (dry wt.) EB, CB PS 
EB, CB EB. CB CB 
Figure 2. Total aromatic hydrocarbon concentrations (means and ranges) in 
surface sediments and selected biological tissues sampled in Elliott Bay 
(EB), Commencement Bay (CB), and Puget Sound (PS). Data for English sole 
are for livers; those for herons are for breast fat; those for seals are 
for blubber. 
Table 1. Synopsis of water bioassays performed in Puget Sound. 
Biological Group 
Type of Measurement 
Where Observed 
Oyster larvae 
48-hour acute toxicity 
bioassay; 50% mortality 
or 50% abnormal develop¬ 
ment 
Parts of: Port Angeles, 
Port Gardner, Bellingham 
Bay 
Budd Inlet, Totten Inlet, 
Eld Inlet, 
Henderson Inlet 
Intertidal 
Bacterial contamination 
Dyes Inlet, Sinclair 
shellfish beds 
leading to decertifica¬ 
tion 
Uncertifiable due to 
proximity to point 
sources 
Inlet, Hammersley Inlet, 
Budd Inlet, east side of 
Liberty Bay, part of 
Port Susan, Burley Lagoon, 
Minter Bay 
East shore of most of 
central basin. Port 
Townsend, Eagle Harbor, 
Port Gamble, Everett 
Harbor, Bellingham Bay 
Flatfish (sole) 
Toxicity of sea surface 
Parts of Elliott Bay, 
eggs 
microlayers 
Commencement Bay, Port 
Angeles Harbor 
32 
