Pesticides, People and Nature Journal of the Rachel Carson Council

ISSN for PRINT: 1520-9350

For Online Access

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2000, Volume2

Issue 2

47 pages

Issue price - $110.00

Imran Ali
National Institute of Hydrology, Roorkee – 247 667, India

C. K. Jain
National Institute of Hydrology, Roorkee – 247 667, India

The pesticides used for agricultural, forestry, and domestic activities are leaching into groundwater. Therefore, it is very important to study the leaching behavior of pesticides in sandy and loamy media. Lindane is used widely in India for a variety of purposes. The effects on the leaching behavior of lindane of various operating variables, namely, concentration, pH of the mobile phase, soil column length, and flow rate, were studied. The concentrations, ranging from 5 to 25 mg and 5 to 35 mg, were retarded by sandy and loamy soils, respectively. The pH was varied from 2.0 to 7.0, and it was found that the minimum transportation of lindane occurred at pH 7.0 in both sandy and loamy soils. The effect of column length on the transportation of lindane is that the amount of lindane transported decreases with increasing column length. The effect of flow rate did not show any significant effect on the transportation of lindane. The distribution of lindane was also studied under saturated conditions. The uniform distribution of lindane (25.0 mL of 5.0 mg/L) was observed after 240 hours and 12 weeks in sandy and loamy soils, respectively.

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