From: Contamination of rural surface and ground water by endosulfan in farming areas of the Western Cape, South Africa
Isomer
Concentration of Standard Used (μg/L)
Empirical Mean Value (μg/L)
Empirically Derived Limit (μg/L)
EPA Limit (μg/L) [21]
Alpha-endosulfan
0.171
0.103
0.11
0.030
Beta-endosulfan
0.182
0.206
0.13
Endosulfan sulphate
0.266
0.290