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.

QA /QC DATA R E PO R T fo r p la n a r and m ono -o rtho sub stitu ted congeners of PCB in sediment Appendix 1: Screening studies of POPs in bottom sediments from the P az watercourse Table 1.2 5.1.1.1.1.1.1 Compound Procedural Blank PBS 02, ng/g Method Detection Limit, ng/g Spiked B lank Sample SMS 02 Detected, n g Added , ng % Recovery #CL4 81 n.d. 0.010 3.32 4.00 83 #CL4 77 n.d. 0.010 3.36 4.00 84 #CL5 123 n.d. 0.010 3.84 4.00 96 #CL5 118 0.19 0.10 3.48 4.00 87 #CL5 114 n.d. 0.010 3.52 4.00 88 #CL5 105 n.d. 0.030 3.08 4.00 77 #CL5 126 n.d. 0.010 3.84 4.00 96 #CL6 167 n.d. 0.020 3.36 4.00 84 #CL6 156 n.d. 0.011 3.48 4.00 87 #CL6 157 n.d. 0.015 3.96 4.00 99 #CL6 169 n.d. 0.010 3.8 4.00 95 #CL7 180 n.d. 0.010 4.08 4.00 102 #CL7 170 n.d. 0.010 3.84 4.00 96 #CL7 189 n.d. 0.010 3.72 4.00 93 Surrogate Internal Standards, % Recovery #CL4 81 C13 44 0.005 3.20 5.00 64 #CL4 77 C13 43 0.005 4.25 5.00 85 #CL5 123 C13 66 0.005 4.35 5.00 87 #CL5 118 C13 82 0.005 3.90 5.00 78 #CL5 114 C13 77 0.005 4.45 5.00 89 #CL5 105 C13 87 0.005 4.20 5.00 84 #CL5 126 C13 66 0.005 4.75 5.00 95 #C L 6 167 C13 106 0.005 4.80 5.00 96 #C L 6 156 C13 117 0.010 3.95 5.00 79 #C L 6 157 C13 108 0.005 3.85 5.00 77 #C L 6 169 C13 99 0.010 4.50 5.00 90 #C L 7 180 C13 95 0.015 5.25 5.00 105 #CL7 170 C13 99 0.005 4.65 5.00 93 #CL7 189 C13 114 0.005 4.95 5.00 99 Rapport APN- 514.3665.01 39

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