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QA/QC DATA REPORT for Chlorinated Pesticides in sediment Appendix: Screening studies of POPs in fish from the Paz watercourse Table 1.5 Compound Procedural Blank PBS 02, ng/g Method Detection Limit, ng/g QOR076MS (Quasimeme) Detected, ng/g Assigned Value, ng/g Assigned E r ro r, % HCB 0.05 0.03 0.61 0.74 16 a-HCH n.d. 0.05 0.09 0.13 31 P-HCH n.d. 0.05 0.15 0 . 1 1 - Y-HCH n.d. 0.05 0.38 0.34 2 0 Heptachlor n.d. 0.05 - - - Heptachlor epoxide n.d. 0 . 1 0 - - - Oxychlordane n.d. 0.08 - - - trans-Chlordane n.d. 0.03 - - - cis-Chlordane n.d. 0.03 - - - trans-Nonachlor n.d. 0 . 0 1 8.90 8.36 - cis-Nonachlor n.d. 0 . 0 1 - - - 2 ,4 '-DDE n.d. 0.03 - - - 4 ,4 '-DDE n.d. 0.03 17.4 17.02 13 2 ,4 '-DDD n.d. 0.03 - - - 4 ,4 '-DDD n.d. 0.03 14.2 9.47 13 2 ,4 '-DDT n.d. 0.08 0 . 1 0 0.14 - 4 ,4 '-DDT n.d. 0.08 9.80 11.53 13 Endrin n.d. 0 . 1 0 - - - Dieldrin n.d. 0.05 1.70 1 . 8 6 14 Mirex n.d. 0.03 - - - Surrogate Internal Standards, % Recovery HCB C13 69 0.005 8.52 1 2 . 0 71 y-HCH C13 100 0.005 9.20 1 2 . 1 76 4 ,4-DDE C13 77 0.005 8.28 11.5 72 4 ,4 -DDT C13 72 0 . 0 1 0 9.61 11.3 85 Akvaplan-niva report APN 514-3365.02 44