Species Location Year Tissue n Sex Size/age Unit Cadmium Mercury Selenium Arsen Kidney 2 - - mg/kg dw 35.5±26.2 2.70±1.67 6.06±1.21 Baleen 2 - - mg/kg dw 0.030±0.029 0.28±0.15 Jan Mayen, Norway   1998 Muscle 20-21  - - mg/kg dw 0.101±0.073 0.791±0.326 0.98±0.31 Liver 24 - - mg/kg dw 3.96±1.64 2.04±0.73 4.68±0.86 Kidney 23 - - mg/kg dw 20.4±10.6 2.38±1.63 7.06±2.34 Baleen 22-23  - - mg/kg dw <0.016 0.255±0.166 Svalbard, Norway 1998 Muscle 14 - - mg/kg dw 0.161±0.102 0.315±0.166 0.85±0.28 Liver 16 - - mg/kg dw 3.76±1.49 0.728±0.352 5.53±1.02 Kidney 16 - - mg/kg dw 15.4±8.7 0.694±0.337 6.81±1.11 Baleen 1-2 - - mg/kg dw <0.018 0.230 Barents Sea, Norway 1998 Muscle 33 - - mg/kg dw 0.127±0.076 0.505±0.204 0.95±0.35 Liver 31 - - mg/kg dw 3.50±1.45 1.12±0.65 6.30±1.51 Kidney 32 - - mg/kg dw 18.2±7.6 1.17±0.59 7.22±1.57 Baleen 31 - - mg/kg dw <0.018 0.159±0.093 Norway coast 1998 Muscle 10 - - mg/kg dw 0.062±0.058 0.593±0.604 0.82±0.27 Liver 14 - - mg/kg dw 2.39±1.86 1.74±2.19 5.31±2.15 Kidney 11 - - mg/kg dw 10.5±5.8 1.18±1.06 6.87±1.04 North Sea 1998 Muscle 23 - - mg/kg dw 0.070±0.041 0.902±0.400 1.01±0.26 Liver 22 - - mg/kg dw 1.85±0.74 2.04±1.26 7.07±2.14 Kidney 21 - - mg/kg dw 13.6±8.3 2.45±1.48 9.23±2.29 Baleen 21-22  - - mg/kg dw <0.018 0.163±0.070 Beluga Saqqaq 2000 Blubber 5 F 245-398 cm  mg/kg ww     <0.005 0.020±0.016 0.100±0.040 (Delphinapterus leucas) Epidermis (muktuk) 5 F 245-398 cm  mg/kg ww     0.009±0.009    0.291±0.159 5.67±2.27 Narwhale Avanersuaq 1993 Muscle 4 - - mg/kg ww     0.374±0.156 1.16±0.15 0.39±0.07 (Monodon monoceros) Liver   1 - - mg/kg ww     11.6 7.88 4.49 Kidney 1 - - mg/kg ww 75.7 1.20 2.89