Pesticide Residues and Associated Public Health Risks in Vegetables from Irrigated Farms Adjacent to Rift Valley Lake Ziway, Ethiopia

Table 6

Pesticide concentration (µg/kg) in onion samples collected from irrigated farmlands in the vicinity of Lake Ziway.

Site		α-BHC	β-BHC	Hepta-epoxide	Heptachlor	α-Endosulfan	Bromophos-ethyl	Chlorpyrifos-methyl	Diazinon	Thionazin	Ethion	Famphur
S1	R1	3.56	5.45	13.73	BDL	1.50	0.55	0.80	0.19	BDL	BDL	1.45
	R2	BDL	1.32	5.74	BDL	3.35	BDL	0.23	0.04	0.26	BDL	BDL
	R3	3.02	BDL	13.17	BDL	3.35	0.09	0.44	BDL	0.38	BDL	0.73
S2	R1	2.25	0.48	37.55	BDL	BDL	0.04	0.25	BDL	0.01	BDL	0.74
	R2	5.46	0.90	31.23	8.02	BDL	0.40	0.60	BDL	0.30	0.94	0.93
	R3	3.02	0.09	37.55	8.48	BDL	0.09	0.44	BDL	0.39	0.43	0.73
EU-MRL		10	10	10	10	100	10	10	50	10	20	10
Total detected		6	6	6	3	3	5	6	2	5	2	5
Sample > EU-MRL		0	0	5	0	0	0	0	0	0	0	0
% (+ve) sample		100	100	100	50	33.33	83.33	100	33.33	83.33	33.33	83.33333
% (>EU-MRL)		0	0	83.3	0	0	0	0	0	0	0	0
Site		Fenitrothion	Fenthion	Malathion	Parathion	Profenofos	PBO	Propargite	Propoxur	Indoxacarb	Dichlobenil
S1 (Abenea-Girmama)	R1	0.46	1.80	BDL	1.29	0.82	BDL	45.75	8.61	BDL	BDL
	R2	0.30	2.75	BDL	1.05	0.54	BDL	BDL	12.73	BDL	0.10
	R3	0.40	1.63	BDL	0.60	0.82	BDL	29.77	25.15	BDL	1.10
S2 (Wellibulla)	R1	0.16	1.50	11.02	1.19	0.64	BDL	BDL	7.42	0.29	1.09
	R2	0.25	1.45	20.74	0.73	0.23	BDL	112.36	13.74	4.30	BDL
	R3	0.40	1.63	BDL	0.60	0.82	BDL	112.36	25.15	4.30	1.10
EU-MRL		10	10.00	20.00	50.00	20.00	0	10.00	50.00	20.00	10.00
Sample detected		6.00	6.00	2.00	6.00	6.00	0	5.00	6.00	3.00	4.00
Sample > EU-MRL		0.00	0.00	1.00	0.00	0.00	0	4.00	0.00	0.00	0.00
% (+ve) sample		100	100.00	33.33	100.00	100.00	0	83.33	100.00	50.00	66.67