Multiresidue Analysis of 86 Pesticides Using Gas Chromatography Mass Spectrometry: II-Nonleafy Vegetables

Table 4

Average of the percentage of nonleafy vegetable samples contained pesticide residues exceeds the MRL values during the four mainly seasons during the two years of 2007-2008.

Season	Year	Selected samples
		Cooled Pepper	Hot Pepper	Onion	Potato	Cucumber	Okra	Beans	Carrot	Tomato out	Tomato in	Squash	Egg plant	Cauliflower	Mean %
Winter	2007	0.00	33.33	0.00	16.67	50.00	100.00	20.00	33.33	100.00	25.00	33.33	0.00	0.00	31.67
Spring		60.00	20.00	0.00	33.33	60.00	21.50	42.86	25.00	33.33	28.57	37.50	0.00	0.00	27.85
Summer		20.00	16.67	0.00	20.00	29.41	23.08	28.57	10.00	0.00	8.33	8.33	14.29	0.00	13.74
Autumn		11.11	7.69	0.00	9.09	0.00	18.18	15.38	12.50	14.29	8.33	0.00	17.65	0.00	8.79
Mean percentage		22.78	19.42	0.00	19.77	34.85	40.69	26.70	20.21	36.91	17.56	19.79	7.99	0.00
Winter	2008	13.33	21.05	11.11	16.67	5.00	100.00	0.00	10.00	0.00	30.00	10.00	9.09	14.29	18.50
Spring		0.00	0.00	16.67	16.67	22.22	40.00	20.00	25.00	0.00	5.00	28.57	25.00	100.00	23.01
Summer		50.00	40.00	0.00	8.33	50.00	50.00	25.00	0.00	100.00	0.00	50.00	14.29	0.00	29.82
Autumn		25.00	28.57	12.50	20.00	7.69	20.00	28.57	0.00	0.00	33.33	28.57	10.00	25.00	18.40
Mean percentage		23.75	7.64	22.50	13.33	13.57	17.05	29.17	14.58	8.75	16.67	19.17	27.98	14.58