Sandimirov S. Screening studies of POP levels in fish 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.

Appendix: Screening studies of POPs in fish from the Paz watercourse Appendix 3. Analytical data Table 3.1. OCs ( ng/g wet weight) in pooled tissue samples o f whitefishes and pikes from lakes located in Pasvik River area. N is number o f sub-samples. OCs White fish Pike Tj^rebukta Skrukkebukta Ruskebukta Kuetsj iarvi Kuetsj arvi 4-5 years, Wt 100-500 g 3-5 years, Wt 100-300 g 4-6 years, Wt 300-500 g 3-5 years, Wt 50-140 g Muscle Liver Muscle Liver Muscle Liver Muscle Liver Muscle Liver N=10 N=10 N=5 N=5 N=5 N=5 N=10 N=15 N=10 N=10 Lipids, % 0.66 14.1 0.88 5.25 0.54 7.94 1.86 6.99 0.41 25.9 Hexachlorobenzene n.d. 1.23 0.28 0.69 0.15 0.97 0.58 2.81 0.20 3.71 a-HCH n.d. n.d. n.d. n.d. n.d. n.d. 0.12 n.d. n.d. 1.68 P-HCH n.d. n.d. 0.07 n.d. n.d. n.d. 0.12 1.51 n.d. 3.12 y-HCH n.d. n.d. n.d. n.d. n.d. n.d. 0.05 n.d. n.d. 0.70 1SHCH n.d. n.d. 0.07 n.d. n.d. n.d. 0.29 1.51 n.d. 5.50 Heptachlor n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. Heptachlor epoxide n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. 0.20 Oxychlordane n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. 0.40 trans -Chlordane n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. 0.30 cis -Chlordane n.d. n.d. n.d. n.d. n.d. n.d. 0.05 0.46 n.d. 0.55 trans -Nonachlor n.d. 0.30 n.d. n.d. n.d. n.d. 0.13 n.d. 0.02 1.55 cis -Nonachlor 0.17 n.d. n.d. n.d. n.d. n.d. n.d. n.d. 0.03 n.d. 2 s c h l 0.17 0.30 n.d. n.d. n.d. n.d. 0.18 0.46 0.05 3.00 o,p -DDE n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. 2.27 p,p' -DDE 3.44 1.67 0.32 2.60 n.d. 1.07 14.4 75.3 2.16 55.4 o,p -DDD n.d. 0.05 n.d. n.d. n.d. n.d. 0.21 1.54 0.03 4.51 p,p' -DDD 0.15 0.24 n.d. 0.87 n.d. 0.59 1.91 9.51 0.26 33.2 o,p -DDT n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. p,p' -DDT n.d. n.d. n.d. n.d. n.d. n.d. 0.95 1.73 1.14 13.8 3XDDT 3.59 1.96 0.32 3.47 n.d. 1.66 17.5 88.1 3.59 109.2 Endrin n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. Dieldrin n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. 0.45 Mirex n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. n.d. 0.05 1SHCH is sum of a-HCH, P-HCH, and y-HCH, 2 2CHL is sum of heptachlor, heptachlor epoxide, oxychlordane, trans-chlordane, cis-chlordane, trans-nonachlor and cis- nonachlor; 32DDT is sum of o,p'-DDE, p,p'-DDE, o,p - DDD, p,p'-DDD, o,p'-DDT and p,p'-DDT; n.d.=not detected. Akvaplan-niva report APN 514-3365.02 55