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Appendix: Screening studies of POPs in fish from the Paz watercourse Table 1.8 QA/QC DATA REPORT for Polycyclic Aromatic Hydrocarbons in biota Compound Procedural Blank PBB 01, ng Method Detection Limit, ng/g Duplicate Difference, %D Spiked Blank Sample SMB 01 Detected, ng Added, ng % Recovery Naphthalene n.d. 15.0 - 1040 1 0 0 0 104 1 -Methylnaphthalene n.d. 6 . 0 0 - - - - 2 -Methylnaphthalene n.d. 6 . 0 0 - - - - Acenaphthylene n.d. 0.70 - 710 1 0 0 0 71 Acenaphthene n.d. 0.70 - 850 1 0 0 0 85 Fluorene n.d. 0.70 - 990 1 0 0 0 99 Phenanthrene n.d. 1 . 0 0 - 890 1 0 0 0 89 Anthracene n.d. 0 . 2 0 - 840 1 0 0 0 84 Fluoranthene n.d. 0 . 2 0 - 1180 1 0 0 0 118 Pyrene n.d. 0.30 - 1150 1 0 0 0 115 Benzo(a)anthracene n.d. 0.30 - 1190 1 0 0 0 119 Chrysene n.d. 0.50 - 1090 1 0 0 0 109 Benzofluoranthenes n.d. 0.50 - 2 0 0 0 2 0 0 0 100 Benzo(e)pyrene n.d. 0.80 - - - - Benzo(a)pyrene n.d. 0.80 - 770 1 0 0 0 77 Perylene n.d. 0.80 - - - - Indeno( 1,2,3cd)pyrene n.d. 1.50 - 1 0 0 0 1 0 0 0 100 Dibenz(a,h)anthracene n.d. 1.50 - 890 1 0 0 0 89 Benzo(g,h,i)perylene n.d. 1.50 - 1 0 2 0 1 0 0 0 102 Surrogate Internal Standards, % Recovery Naphthalene d8 67 0.05 - 0.28 0.40 71 Acenaphthene d10 74 0.05 - 0.45 0.40 113 Phenanthrene d10 84 0.05 - 0.42 0.40 106 Chrysene d2 98 0.05 - 0.46 0.40 116 Perylene d i2 40 0 . 1 0 - 0.19 0.40 47 Akvaplan-niva report APN 514-3365.02 47