Contamination of rural surface and ground water by endosulfan in farming areas of the Western Cape, South Africa

Table 7 Modeling of daily intake of endosulfan for study populations using selected sampling points for drinking water (μg/L)

AREA	Point	Peak concentration (μg/L)	Daily intake* based on peak		Root mean square concentration (μg/L)	Daily intake* based on root mean square concentration
			(μg/kg)	%ADI		(μg/kg)	%ADI
ENDOSULFAN
Grabouw	G6	0.26	0.009	0.14	0.13	0.004	0.07
	G7	1.14	0.038	0.63	0.53	0.017	0.30
	G8	1.77	0.059	0.98	0.74	0.025	0.41
Piketberg	P1	0.44	0.015	0.24	0.15	0.005	0.09
	P3	0.25	0.009	0.14	0.31	0.010	0.17
	P4	0.36	0.012	0.20	0.14	0.005	0.09
	P7	0.27	0.009	0.15	0.22	0.007	0.12
	P8	26.3	0.877	14.6	10.7	0.360	6.00
Hex River	J	0.62	0.021	0.34	0.27	0.009	0.15
	H	0.89	0.030	0.49	0.25	0.008	0.14

ENDOSULFAN: ADI < 0.006 mg/kg bw [30]; Note: Only results used where recoveries were > 70% and < 130 %; * Daily intake of water for adults assumed 2 L per day for an adult of 60 kg.

ISSN: 1476-069X