Table 2.
Percent recovery and relative standard deviation (RSD) of standard organophosphate (OP) pesticides in spiked meconium control samples analyzed by gas chromatography-mass spectrometry.
OP concentration (μg/g) | Percent recovery | Percent RSD | |
---|---|---|---|
Chlorpyrifos | 0.38–0.90 | 97.16–99.87 | 0.46–3.38 |
Demeton-s-methyl | 0.77–1.79 | 96.36–99.56 | 0.35–1.96 |
Dichlorvos | 1.92–4.49 | 99.14–100.07 | 0.68–1.48 |
Dimethoate | 0.77–1.79 | 98.49–99.64 | 0.78–2.89 |
Ethion | 0.77–1.79 | 97.62–101.11 | 0.99–2.69 |
Malathion | 0.77–1.79 | 98.51–102.20 | 1.41–4.55 |
Omethoate | 3.85–8.97 | 98.59–100.39 | 0.49–1.66 |
Pirimiphos-methyl | 0.38–0.90 | 96.40–99.78 | 0.34–2.29 |
Pyrazophos | 1.92–4.49 | 97.52–99.93 | 0.63–2.44 |
Tolclofos-methyl | 0.38 –0.90 | 98.28–100.58 | 0.29–2.63 |