Pesticide Recovery (SD) %CV(SD) LOD (ng g-1) Propoxur 107.92(12.66) 7.08(4.84) 3.75 Transfluthrin 106.93 (14.05) 7.24 (5.13) 3.75 Bioallethrin 106.64 (13.24) 7.48 (4.48) 3.75 Cyfluthrin 96.32 (14.70) 6.70 (4.44) 60.0 Cypermethrin 97.54 (12.01) 7.28 (4.41) 60.0

Table 3: Mean (SD) of pesticide recovery (%) and coefficients of variation (%CV), for the analysis of parent pesticides in swept dust (N=32) spiked with 1,950 ng g-1 pesticides and the lowest empirical limits of detection (LODs) based on calibration curves.

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