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Appendix: Screening studies of POPs in fish from the Paz watercourse Table 1.9 QA/QC DATA REPORT for toxaphenes in sediment Compound Procedural Blank PBS 02, ng Method Detection Limit, Mg/kg Spiked Blank Sample SMS 02 Detected, ng Added, ng % Recovery Parl 26 n.d. 0.0001 6.83 8.43 81 Parl 50 n.d. 0.0002 6.83 8.43 81 Parl 62 n.d. 0.0020 7.00 8.43 83 Table 1.10 QA/QC DATA REPORT for toxaphenes in biota Compound Procedural Blank PBB 02, ng Method Detection Limit, ng/kg Duplicate Difference, %D Spiked Blank Sample SMB 02 Detected, ng Added, ng % Recovery Parl 26 n.d. 0.30 14 6.32 8.43 75 Parl 50 n.d. 0.30 16 7.08 8.43 84 Parl 62 n.d. 2.00 - 7.00 8.43 83 Akvaplan-niva report APN 514-3365.02 48