The operational monitoring of the changes in the ground water’s chemical composition and level at the TPP industrial site has been conducted twice annually since 1999 by JSC KamNIIKIGS personnel .
Systematic observations have shown that this industrial site’s ground water may be susceptible to the influence of climatic conditions, as well as liquid and solid industrial waste, and it also exhibits seasonal variations in mineralization. Pollution of the ground water is focal in nature, and varies with time. During the study, all piezometers measured the water level to determine the ground water’s natural direction of flow, as well as the artificial flow due to possible leaks from the sludge pits. Water samples were taken from the piezometers, which are located at the sites with the greatest likelihood of pollution.
“Since large fluctuations in chemical composition and pollutants have not been observed, the monitoring operation is carried out twice a year — in the freshet period (April-May) and the baseflow period (July-September),” reports KamNIIKIGS Hydrogeological Research Section Head Sergey Belov. “This year we will select ten samples for general chemical analysis, from seven piezometers and three sludge pits. In addition, samples will be taken from four piezometers and two sludge pits in the freshet and baseflow periods to test for fluorine, the pollutant-indicator.”
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