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.

Appendix 1: Screening studies of POPs in bottom sediments from the P az watercourse Table 1.4 QA /QC DATA REPORT fo r Polycyclic A rom a tic H yd ro ca rbon s in sediment Compound P ro cedu ra l B lank PBS 03, n g/g M ethod Detection L im it, ng/g Duplicate Difference, %D Certified Reference M a te ria ls of NWR I EC-5, ng/g Detected Reference Value Naphthalene 0.15 10.0 20 19.6 26 ± 6 1 -Methylnaphthalene 1.13 5.0 23 - - 2 -Methylnaphthalene 0.06 5.0 24 - - Acenaphthylene n.d. 0.3 - 32.4 41 ± 9 Acenaphthene n.d. 0.3 - 28.5 29 ± 9 Fluorene n.d. 0.3 - 62.9 84 ± 26 Phenanthrene n.d. 0.3 22 585.9 612 ± 57 Anthracene n.d. 0.3 25 93.7 113 ± 17 Fluoranthene n.d. 0.3 8 799.0 823 ± 74 Pyrene n.d. 0.3 13 742.0 9 8 7 ± 134 B enzo(a)anthracene n.d. 0.3 - 460.0 503 ± 47 Chrysene n.d. 0.3 - 549.0 619 ± 60 Benzofluoranthenes n.d. 0.5 24 764.0 8 9 9 ± 137 Benzo(e)pyrene n.d. 0.5 - 414.0 440 ± 76 Benzo(a)pyrene n.d. 0.5 25 469.0 449 ± 61 Perylene n.d. 1.5 10 198.0 187 ± 28 Indeno( 1,2,3 cd)pyrene n.d. 1.5 - 368.0 386 ± 66 Dibenz(a,h)anthracene n.d. 1.5 - 161.0 195 ± 44 Benzo(g,h,i)perylene n.d. 1.5 - 352.0 333 ± 53 Surrogate Internal Standards, % Recovery Detected, ng Added, ng % Recovery Naphthalene d8 77 0.05 - 0.16 0.20 81 Acenaphthene d10 84 0.05 - 0.20 0.20 98 Phenanthrene d10 59 0.05 - 0.18 0.20 92 Chrysene d2 60 0.05 - 0.16 0.20 78 Perylene d12 65 0.10 - 0.10 0.20 52 Rapport APN- 514.3665.01 41