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.

o f degree o f contamination (Cd), which according to Hakanson (1980) classification is estimated as very high Cd (Table 6). Considerable and moderate values o f Cd are characterized for other distinct lakes. Table 5. Concentrations o f heavy metals and As (^g/g, dry weight) in surface sediment layer (0 - 1 cm) o f the investigated Russian lakes and distance from the pollution sources (smelters o f the Pechenganickel Company) Lake 3 ^ и ад i /g N g/ ^ a n /g N o /g и ад d /g и а д g P /g s /g < ад g /g Я ^ Distance km Kochej aur-North 16 21 78 9.9 0.66 25.4 2.54 0.016 110.0 Kochej aur-Middle 16 19 71 7.8 0.54 21.8 2.60 0.018 110.0 Kochej aur-South 16 25 84 10.3 0.62 30.5 110.0 Virtuovoshjaur 23 25 56 9.0 0.30 26.9 2.33 0.083 90.0 Alla-Akkajarvi 112 321 95 23.0 0.36 28.2 3.83 0.134 45.0 Kuetsjarvi-Golfstream 981 2075 249 108.9 2.49 34.3 24.98 0.033 8.0 Kuetsj arvi-Kolosj oki 1496 2435 229 129.3 1.80 45.7 39.18 0.142 2.5 Kuetsjarvi-Salmijarvi 1039 2814 297 150.4 2.44 38.6 86.66 0.031 4.0 Kuetsjarvi-Whit Stone 1343 4032 172 184.1 3.14 36.1 43.05 0.417 8.0 Kaskamajarvi 77 70 107 32.4 0.30 12.0 7.63 0.116 35.0 Porojarvi 131 173 110 27.8 0.50 6.2 38.20 0.215 20.0 Shuonijaur 100 117 63 7.8 0.47 12.1 2.03 0.040 20.0 Keudsherjaur 45 65 50 8.7 0.22 5.3 3.36 0.072 28.0 LN-2 1949 3535 108 123.1 0.93 8.8 31.80 2.890 8.0 LN-3 81 103 72 10.6 0.30 10.4 32.40 0.362 9.0 LN-4 540 1157 116 60.0 0.66 10.2 7.50 0.154 6.0 Palojarvi 867 1494 91 63.5 0.68 7.3 17.50 0.194 4.0 Zapoljarny 1500 6139 2004 266.3 1.91 5.0 27.80 0.250 3.0 Trifonojarvi 164 164 144 45.8 0.15 6.4 7.41 0.138 27.0 Kjantejarvi 108 159 218 364.5 0.40 13.2 6.18 0.072 33.0 Kirikovanjarvi 202 183 120 34.6 0.09 18.0 4.71 0.214 18.0 Njasjukkjajarvi 131 141 101 37.0 0.11 3.0 7.26 0.023 20.0 Pikku-Heynj aj arvi 194 350 101 45.1 0.24 7.8 7.26 0.157 13.0 Peschanoe 733 93 96 49.3 0.73 12.2 19.80 0.199 5.0 Average Min Max Standard deviation 494 16 1949 591 1071 19 6139 1629 201 50 2004 389 75 8 365 90 0.84 0.09 3.14 0.85 17.7 3.0 45.7 12.5 18.52 2.03 86.66 20.23 0.259 0.016 2.890 0.583 30.7 2.5 110.0 35.9 22