Arsenic Contamination in Groundwater, Soil and Rice Grain of Nepal
Rajib Kumar Shrestha
Broschiertes Buch

Arsenic Contamination in Groundwater, Soil and Rice Grain of Nepal

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Arsenic (As) contamination in groundwater is a serious issue of many countries which can contaminate soil & crops growing in that area. The As contamination in water, soil & crops was evaluated from As affected district Nawalparasi (Nepal). The As level in water was above the national (0.05 mgL-1) & WHO standards (0.01 mg L-1). However, soil & rice grain samples showed As contamination in safe level. Water samples showed As concentration in the range of 0.1 mg L-1 to 1.86 mg L-1 except one sample (0.009 mg L-1). The average As concentration in pre/post monsoon season were 0.73 mg L-1 & 0.59 mg...