Table 6.

Number of samples in which endosulfan was detected in the three areas sampled, and in groundwater and surface water.

Endosulfan, area and number of samples in which endosulfan was detected (percentage)
LEVEL	ENDOSULFAN
	HEX RIVER	PIKETBERG	GRABOUW	TOTAL
ALL	85 (46)	37 (39)	72 (69)	194 (51)
> QL, EEC	60 (33)	24 (26)	59 (57)	143 (37)
> CAISWP	11 (6)	4 (4)	30 (29)	143 (37)
	Groundwater		Surface Water
ALL	17 (32)		177 (47)
>QL, EEC	12 (23)		131 (40)
> EEC	7 (14)		38 (12)

All: All samples in which endosulfan was detected >QL, EEC: Above study quantification and EEC single pesticide limit of 0.1 μg/L. EEC total pesticide limit = 0.5 μg/L; >CAISWP: Above 0.9 μg/L (30 day average)