| LONG | LAT | MEAN CONC | LOCATION | YEAR | REFERENCE | ORIGINAL REFERENCE |
| -78.30 | 76.25 | .269 | Greenland/Thule district | 1975/1977 | Born et al., 1981 | NA |
| -172.8 | 60.5 | 1.78 | Alaska, St. Matthew Island | NG | Born et al., 1981 | Galster and Burns, 1972 |
| -74 | 71.5 | .131 | N. Baffin Island | 1986 | Muir et al., 1992 | Thomas and Hamilton, 1988 |
| -175 | 63 | <.10 | N. Bering Sea | 1981-84 | Muir et al., 1992 | Taylor et al., 1989 |
| -77.0 | 72.8 | .131 | Pond Inlet | 1987 | Careau et al., 1992 | Thomas, 1990 |
| -63.5 | 67.5 | 3.371 | Broughton Island | 1987-88 | Careau et al., 1992 | Muir, Ford & Grift, 1988 |
| -80.8 | 68.3 | 0.206 | Hall Beach | NG | Muir et al., In Press | NA |
| -81.8 | 69.4 | 0.090 | Igloolik (F) | NG | Muir et al., In Press | NA |
| -81.7 | 69.3 | 0.193 | Igloolik (M) | NG | Muir et al., In Press | NA |
| ? | ? | 1.643 | Loks Land, E. Baffin Island | NG | Muir et al., In Press | NA |
| -78.2 | 58.5 | 4.790 | Inukjuak (F) | NG | Muir et al., In Press | NA |
| -78.7 | 58.4 | 11.512 | Inukjuak (M) | NG | Muir et al., In Press | NA |
| -78.3 | 60.8 | 0.195 | Akulivik (F) | NG | Muir et al., In Press | NA |
| -78.2 | 60.7 | 1.201 | Akulivik (M) | NG | Muir et al., In Press | NA |
References:
Born, E.W., I. Kraul and T. Kristensen, 1981, Mercury, DDT, PCB in the Atlantic Walrus, Arctic, 34(3): 255-260.
Careau, H., E. Dewailly, A. Vezina, P. Ayotte, D. Gauvin, 1992, State of Contamination of Northern Canada and Greenland, Community Health Department, Laval University Hospital Centre, Table 36.
Muir, D.C.G., R. Wagemann, B.T. Hargrave, D.J. Thomas, D.B. Peakall and R.J. Norstrom, 1992, Arctic marine ecosystem contamination, The Science of the Total Environment, 122: 75-134.
Muir, D.C.G., M.D. Segstro, C.A. Ford, K.A. Hobson, R.E.A. Stewart and S. Olpinski, Elevated levels of PCBs and organochlorine pesticides in walrus blubber from Eastern Hudson Bay (Canada): A case of predation on seals? Environ. Pollution, In Press.