Sandimirov S. Pollution of the Sediments of the Paz River basin / In State of the environment in the Norwegian, Finnish and Russian border area. The Finnish Environment. Finland, Jyvaskyla: Kopijyva Oy. 2007, №6, 98p.

40 20 Pb -0.1217 y = 37.748x' R2 = 0.0163 Distance from the sources, km ---- 1------- 1------- 1------- 1------- 1------- 1— 0 100 200 300 Distance from the sources, km 1 ------- 1 ------- г 100 200 300 Distance from the sources, km l------- 1------- 1-------1------- r 100 200 300 Distance from the sources, km 0 0 0 Fig. 21. Distribution o f element concentrations (^g/g d.w.) in the top sediment layer (0 - 1 cm) and water pH values o f the investigated Finnish lakes o f the Paz River basin depending on the distance from the smelters o f the Pechenganickel Company. 51