Sandimirov S. Screening studies of POP levels in bottom sediments from selected lakes in the Paz watercourse / In State of the environment in the Norwegian, Finnish and Russian border area. The Finnish Environment. Finland, Jyvaskyla: Kopijyva Oy. 2007, №6.

Screening studies of PO P levels in bottom sediments from selected lakes in the P az watercourse 5.2. Trace elements Table 2 summarize the results o f trace element analyses in bottom sediment samples. Geographical distribution o f the trace element concentrations are shown in and Figure 3. Table2. Trace element concentrations (mg/kg dry weight) in surface bottom sediments from Kuetsjarvi Lake and Paz watercourser, August-September 2003. ____________________________________ Elements Station number Lake Cadmium (Cd) Copper (Cu) Nickel (Ni) Mercury (Hg) 1 Kuetsjarvi 1.56 867 2030 0.12 2 Kuetsjarvi 1.77 923 2500 0.47 3 Kuetsjarvi 1.71 1580 2390 0.73 6 Skrukkebukta 0.58 202 322 0.20 7 Bj 0 rnvatn 0.64 217 419 0.12 О NORWAY 1 X 0.58 „ 1.56 Cd mg/kg dw RUSSIA * ' X NORWAY 1 & 202 217 s6 867 £ < 3 ' s7 1580 Q Pasvik River Svanvik Salmijarvi ■Steinbakk Cu mg/kg dw c s2 RUSSIA NORWAY 419 s6 2030 2500 <? Pasvik River s7 Svanvik □ Salmijarvi о s 1 ■Steinbakk 2390 il i s2 □ Nikel’ Ni mg/kg dw I “ RUSSIA NORWAY 0.12 s6 Q Pasvik River s7 Svanvik I ilmijai _ / • ' S a l ija rv ^ s 1 В Steinbakk 0.47 0.12 0.73 ■ Hg mg/kg dw s2 mL □ Nikel’ s3 RUSSIA Figure 3. Trace elements (mg/kg dry weight) in surface (0-1 cm) bottom sediments. Numbers above bars represent concentrations o f the elements. Rapport APN- 514.3665.01 9