Species Location Year Tissue n Sex Size/age  Unit Cadmium Mercury Selenium Arsen Uummannaq 1993 Muscle 53 - - mg/kg ww 0.163±0.160 0.90±0.36 0.34±0.04 Liver   53 - - mg/kg ww 20.9±17.2 6.49±4.98 3.94±2.03 Kidney 52 - - mg/kg ww 49.4±24.5 1.40±1.33 2.54±0.82 2000 Blubber 5 F - mg/kg ww 0.010±0.005 0.017±0.007 0.059±0.007 Epidermis (muktuk) 5 F - mg/kg ww 0.019±0.015 0.431±0.146 5.26±0.93 Kitsissuarsuit 1990 Muscle 3 - - mg/kg ww 0.178±0.093 0.64±0.16 0.26±0.03 Liver   2 - - mg/kg ww 21.6±12.9 3.20±2.08 1.47±0.56 Kidney 2 - - mg/kg ww 46.2±6.1 1.69±0.35 2.65±0.11 Kitsissuarsuit 1994 Muscle 2 - - mg/kg ww 0.041±0.040 0.35±0.30 0.30±0.00 Liver   2 - - mg/kg ww 3.81±4.24 1.41±1.46 1.78±1.34 Polar bear Ittoqqortoormiit 1999 Muscle 6 - adult mg/kg ww 0.022±0.024 0.12±0.06 0.51±0.10 (Ursus maritimus) Liver 6 - adult mg/kg ww 0.733±0.408 8.20±2.00 4.29±1.09 Kidney 6 - adult mg/kg ww 20.1±12.1 22.6±14.3 10.5±5.7 Hair 6 - adult mg/kg dw 4.55±0.69 Ittoqqortoormiit 2000 Muscle 6 - adult mg/kg ww 0.027±0.014 0.14±0.05 0.50±0.12 Liver 6 - adult mg/kg ww 1.82±1.03 16.4±5.30 7.51±1.80 Kidney 6 - adult mg/kg ww 36.7±21.3 29.8±16.6 12.3±5.5 Hair 6 - adult mg/kg dw - 5.17±1.22 - Ittoqqortoormiit 2000 Muscle 3-4 - subadult  mg/kg ww 0.016±0.010 0.089±0.027 0.50±0.03 Liver 3-4 - subadult  mg/kg ww 1.73±0.97 4.02±1.63 2.71±0.85 Kidney 3-4 - subadult  mg/kg ww 23.1±13.6 8.90±3.70 5.29±1.18 Hair 3-4 - subadult  mg/kg dw - 2.67±0.73 -