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.

QA/QC DATA REPORT for Chlorinated Pesticides in biota Appendix: Screening studies of POPs in fish from the Paz watercourse Table 1.6 Compound Procedural Blank PBB 02, ng Method Detection Limit, ng/g Duplicate Difference, %D Spiked Blank Sample SMB 02 Detected, ng Added, ng % Recovery HCB 0.74 0.03 6 4.47 5.20 86 a-HCH n.d. 0.05 - 5.24 4.72 111 в-HCH n.d. 0.05 - 5.33 4.72 113 Y-HCH n.d. 0.05 - 5.29 4.72 112 Heptachlor n.d. 0.05 - 3.63 4.72 77 Heptachlor epoxide n.d. 0 . 1 0 - 5.05 4.72 107 Oxychlordane n.d. 0.08 - 14.3 1 2 . 2 117 trans-Chlordane n.d. 0.03 - 6.27 5.50 114 cis-Chlordane n.d. 0.03 - - - - trans-Nonachlor n.d. 0 . 0 1 0 8.83 7.68 115 cis-Nonachlor n.d. 0 . 0 1 - 3.08 2.80 110 2 ,4 '-DDE n.d. 0.03 - - - - 4 ,4 '-DDE n.d. 0.03 - 4.39 4.72 93 2 ,4 '-DDD n.d. 0.03 - - - - 4 ,4 '-DDD n.d. 0.03 - 4.96 4.72 105 2 ,4 '-DDT n.d. 0.08 - - - - 4 ,4 '-DDT n.d. 0.08 - 4.63 4.72 98 Endrin n.d. 0 . 1 0 - 4.48 4.72 95 Dieldrin n.d. 0.05 - 4.48 4.72 95 Mirex n.d. 0.03 - 2.27 2.80 81 Surrogate Internal Standards, % Recovery HCB C13 66 0.005 - 1 0 . 1 15.5 65 y-HCH C13 69 0.005 - 8.84 10.4 85 4,4 -DDE C13 72 0.005 - 9.58 10.3 93 4 ,4 -DDT C13 94 0.005 - 12.3 10.5 117 Akvaplan-niva report APN 514-3365.02 45