3l 
Appendix III. Continued 




Residues in ppm (wet weight) 





Region; site; N, year, and PCB/DDE; and chemical No. with residues Mean 95% CI Range 
J. Glaucous-winged gull (N = 123; lipid content = 5.78 + 0.11%) 
Gulf of Alaska 
Copper River Delta 
N = 36; 1976; 1.7 
DDE 36 0.116 0.086-0.15 0.005-0.46 
DDD 11 0.003  0.001-0.005 ND-0.017 
DDT 1 <0.001 0-0.002 ND-0.02 
Dieldrin 20 0.005 0.003-0.008 ND-0.043 
Heptachlor epoxide 12 0.003 —0.001-0.005 ND-0.022 
Mirex 4 <0.001 0-0.002 ND-0.016 
Oxychlordane 17 0.007 0.004-0.010 ND-0.034 
Cis-chlordane 8 0.003 0-0.006 ND-0.045 
Cis-nonachlor 5 0.001 0-0.002 ND-0.009 
HCB 35 0.015  0.011-0.020 ND-0.089 
PCB’s 31 0.194 0.12-0.28 ND-1.5 
Hinchinbrook Island 
N = 10; 1976; 1.7 
DDE 10 0.277 0.13-0.45 0.083-0.73 
DDD 2g 0.007  0.005-0.009 ND-0.011 
Dieldrin 9 0.009 = 0.005-0.013 ND-0.021 
Heptachlor epoxide 10 0.014 0.007-0.022 0.003-0.041 
Oxychlordane 10 0.014 = 0.010-0.017 0.005-0.020 
Cis-chlordane 9 0.011  0.007-0.015 ND-0.02 
Cis-nonachlor 2 0.001 0-0.003 ND-0.006 
HCB 8 0.019  0.009-0.028 ND-0.038 
Toxaphene 6 0.010 0.004-0.017 ND-0.022 
PCB’s 10 0.461 0.32-0.61 0.16-0.84 
Middleton Island 
N = 10; 1976; 1.7 
DDE 10 0.540 0.33-0.78 0.19-1.0 
DDD 6 0.005  0.001-0.009 ND-0.014 
DDT 4 0.004 0-0.009 ND-0.022 
Dieldrin 10 0.021 0.015-0.028 0.012-0.043 
Heptachlor epoxide 9 0.010  0.003-0.016 ND-0.034 
Oxychlordane 10 0.020 0.010-0.029 0.007-0.055 
Cis-chlordane 8 0.012 0.004-0.020 ND-0.041 
Cis-nonachlor 1 <0.001 0-0.003 ND-0.008 
Toxaphene + 0.007 0-0.014 ND-0.028 
PCB’s 10 0.941 0.60-1.4 0.37-2.1 
Barren Islands 
N = 2; 1976; 1.7 
DDE 2 0.348 0-3.8 0.22-0.49 
DDD 1 0.002 0-0.031 ND-0.004 
Dieldrin 2 0.033 0-0.38 0.009-0,.057 
Heptachlor epoxide 2 0.031 0-0.41 0.006-0.056 
Mirex 1 0.003 0-0.043 ND-0.006 
Oxychlordane = 0.019 0-0.19 0.007-0.032 
Cis-chlordane 1 0.005 0-0.071 ND-0.010 
HCB 2 0.027 0-0.13 0.019-0.035 
PCB’s 2 0.580 0-7.9 0.38-0.81 
Amalik Bay 
N= 5: 1073: 1.1 
DDE 5 0.334  0.083-0.64 0.043-0.66 
DDT 1 0.001 0-0.005 ND-0.006 
Dieldrin 5 0.025 0.008-0.042 0.010-0.046 
