37 
Appendix III. Continued 



Residues in ppm (wet weight) 





Region; site; N, year, and PCB/DDE; and chemical No. with residues Mean 95% CI Range 
Buldir Island 
N = 1; 1974; 0.9 
DDE 1 0.230 _ _ 
Heptachlor epoxide l 0.010 — - 
HCB 1 0.039 = — 
PCB's 1 0.210 — — 
Bristol Bay 
Round Island 
N = 4; 1973; 1.4 
DDE 4 0.111 0.061-0.16 0.064-0.13 
Dieldrin 4 0.023  0.008-0.039 0.013-0.036 
Heptachlor epoxide 4 0.008  0.005-0.011 0.005-0.009 
Oxychlordane 4 0.010 0.007-0.013 0.008-0.012 
Cis-nonachlor 4 0.013 0.008-0.018 0.009-0.015 
HCB 4 0.098  0.032-0.17 0.036-0.12 
PCB’s 4 0.151  0.063-0.25 0.070-0.20 
Shaiak Island 
N = 5; 1973; 1.0 
DDE 5 0.153  0.034-0.29 0.073-0.34 
Dieldrin 4 0.012 0-0.023 ND-0.023 
Heptachlor epoxide 1 0.001 0-0.005 ND-0.006 
Oxychlordane 2 0.002 0-0.007 ND-0.008 
Cis-nonachlor 2 0.002 0-0.007 ND-0.008 
HCB 5 0.100 0.037-0.17 0.024-0.17 
PCB’s 5 0.147  0.090-0.21 0.089-0.21 
Pribilof Islands 
St. George Island 
N = 11; 1975; 1.0 
DDE ll 0.273 0.14-0.43 0.084-0.79 
DDD 10 0.035  0.022-0.047 ND-0.068 
DDT 10 0.013 0.007-0.019 ND-0.023 
Dieldrin 7 0.009  0.002-0.016 ND-0.025 
Heptachlor epoxide ll 0.012  0.009-0.015 0.005-0.019 
Oxychlordane 11 0.018 0.012-0.024 0.004-0.032 
HCB 11 0.079  0.059-0.098 0.048-0.16 
Toxaphene 9 0.037 0.003-0.072 ND-0.19 
PCB’s 11 0.270 0.22-0.32 0.12-0.35 
St. Paul Island 
N = 10; 1975; 1.5 
DDE 10 0.135  0.098-0.17 0.069-0.26 
DDD 1 <0.001 0-0.002 ND-0.006 
Dieldrin 6 0.005  0.001-0.008 ND-0.015 
Heptachlor epoxide 9 0.011  0.005-0.016 ND-0.024 
Oxychlordane 10 0.026 0.020-0.033 0.012-0.041 
Cis-chlordane 1 <0.001 0-0.002 ND-0.006 
Cis-nonachlor 2 0.002 0-0.004 ND-0,.013 
HCB 10 0.080 0.062-0.098 0.044-0.11 
Toxaphene 8 0.019  0.008-0.029 ND-0.044 
PCB's 10 0.205 —0,16-0.25 0.11-0.31 
Seward Peninsula 
Bluff Seabird Cliffs 
N = 10; 1976; 1.3 
DDE 10 
DDD 9 0.010 


0.141  0.11-0.18 
0.002-0.017 
