Sandimirov S.S. Catalogue of lakes in the Russian, Finnish and Norwegian Border Area. Finland, Jyvaskyla: Kopijyva Oy, 2008.

of Cd ((Jg/g dry weight) Concentration of Cu (pg/g d Standard value ( ц д / д wet weight)* Concentration in muscle (|jg/g wet weight) Concentration in muscle ( ц д / д of dry weight) Whitefish Hg 0.5 0.12 0.59 Ni 0.5 0.13 0.62 Cu 20 0.15 0.73 Cd 0.1 0.003 0.02 Pb 1 0.01 0.06 Perch Hg 0.5 0.28 1.32 Ni 0.5 0.12 0.57 Cu 20 0.16 0.75 Cd 0.1 0.003 0.02 Pb 1 0.01 0.06 Pike Hg 0.5 0.45 2.14 Ni 0.5 0.11 0.51 Cu 20 0.17 0.80 Cd 0.1 0.004 0.02 Pb 1 0.01 <0.05 * Source: Sanitary..., 1986. Table 41. The standard values for heavy metal concentrations in foodstuffs and in fish muscle in Lake Aittojarvi (in цд/д wet and dry weight). Ni in kidney 9 5 -o f whitefish pike perch whitefish pike perch Cd in muscle 0,028 0,026 0,024 0,022 0,020 0,018 0,016 0,014 0,012 0,010 0,008 0,006 0,004 0,002 Hg in muscle sS' -o Fig. 62. Accumulation ofCu (liver), Ni (kidneys), Cd and Hg (muscle) in fish from Lake Aittojarvi (цд/д dry weight). whitefish pike perch whitefish pike perch Catalogue o f Lakes in the Russian, Finnish and Norwegian BorderArea 115