Table 1 Average of physico-chemical parameters of drinking water samples in the study areas.
From: Skeletal fluorosis in relation to drinking water in rural areas of West Azerbaijan, Iran
Chemical parameters | n | Village | W.H.O. Guide line | ||||
|---|---|---|---|---|---|---|---|
Sarisu | Hasan kandi | Shiblou | Agh otlogh | Konikor | |||
pH | 60 | 7.48 | 7.76 | 7.32 | 7.68 | 7.76 | 6.5–8.5 |
EC (µS/cm) | 60 | 1523.6 | 1484.4 | 1960 | 1059.2 | 1561.8 | |
TDS (mg/L) | 60 | 591 | 724.2 | 948 | 740.2 | 1012.8 | 500 |
Nitrate (mg/L) | 60 | 7.63 | 5.62 | 3.9 | 2.1 | 20.48 | 10 |
So4 (mg/L) | 60 | 70.6 | 240 | 202 | 101 | 77.2 | 200 |
Total hardness (mg/L) | 60 | 173.8 | 449.6 | 417 | 169 | 243 | 200 |
chloride (mg/L) | 60 | 48 | 125 | 235.4 | 47 | 44.1 | 200 |
HCO3− (mg/L) | 60 | 773.6 | 379.2 | 384 | 761.4 | 770.4 | − |
F (mg/L) | 7.63 | 0.68 | 0.79 | 10.15 | 4.02 | 1.5–2 | |
