Catalogue of Lakes in the Russian, Finnish and Norwegian Border Area = [Каталог озер в приграничном районе России, Финляндии и Норвегии] / Nikolay A. Kashulin, Vladimir A. Dauvalter, Sergey S. Sandimirov etc. - Apatity : Institute of the North Industrial Ecology Problems KSC RAS etc., 2008.

Table 29. The standard values for heavy metal concentra tions in foodstuffs and in fish muscle in Lake Guokalabbalat (in цд/д wet and dry weight). Standard value ( ц д / д wet weight)* Concentration in muscle ( ц д / д wet weight) Concentration in muscle ( ц д / д dry weight) Char Hg 0.5 0.07 0.28 Ni 0.5 0.19 0.80 Cu 20 0.37 1.59 Cd 0.1 0.005 0.02 Pb 1 0.04 0.17 Trout Hg 0.5 0.05 0.23 Ni 0.5 0.20 0.89 Cu 20 0.34 1.50 Cd 0.1 0.004 0.02 Pb 1 0.02 0.10 * Source: Sanitary..., 1986 Cu in liver Ni in kidneys 450 400 350 300 250 200 150 100 50 Concentration ofCu in liver (цд/д dry weight) Concentration of Ni in kidney (цд/д dry weight) Pb in muscle Hg in muscle char trout c h a r tro u t Concentration of Pbin muscle (цд/д dry weight) Concentration of Hg in muscle (цд/д dryweight) Fig. 44. Cu (liver), Ni (kidneys), Pb and Hg (muscle) concentrations in fish from Lake Guokalabbalat (цд/д dry weight). 86 Catalogue o f Lakes in the Russian, Finnish and Norwegian BorderArea