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Appendix: Screening studies of POPs in fish from the Paz watercourse Table 1.11 QA/QC DATA REPORT for Polybrominated diphenyl ethers in sediment Compound Procedural Blank PBS 02, ng Method Detection Limit, ng/kg Spiked Blank Sample SMS 02 Detected, ng Added, ng % Recovery PBDE # 28 n.d. 0.10 2.00 2.20 91 PBDE # 47 n.d. 2.00 1.53 1.96 78 PBDE # 99 n.d. 1.50 1.62 2.00 81 PBDE # 100 n.d. 0.30 - - - PBDE # 153 n.d. 0.30 1.57 1.92 82 PBDE # 154 n.d. 0.20 - - - PBDE # 183 n.d. 0.80 - - - Table 1.12 QA/QC DATA REPORT for Polybrominated diphenyl ethers in biota Compound Procedural Blank PBB 01, ng Method Detection Limit, ng/kg Duplicate Difference, %D Spiked Blank Sample SMB 01 Detected, ng Added, ng % Recovery PBDE # 28 n.d. 0.10 11 1.89 2.20 86 PBDE # 47 0.14 5.00 3 1.71 1.96 87 PBDE # 99 n.d. 0.10 4 1.88 2.00 94 PBDE # 100 n.d. 0.10 9 - - - PBDE # 153 n.d. 0.20 25 1.73 1.92 90 PBDE # 154 n.d. 0.20 2 - - - PBDE # 183 n.d. 0.50 - - - - Akvaplan-niva report APN 514-3365.02 49