Table 2 Physical parameters of the analyzed groundwater samples.
From: Spatial variations and health risk assessment of heavy metal levels in groundwater of Qatar
Physical parameter | Min | Max | Average | WHO standards | Kahramaa standards |
|---|---|---|---|---|---|
pH | 6.03 ± 0.235 | 7.92 ± 0.22 | 7.4 ± 0.48 | 6.5–8 | 6.5–8 |
EC (µS/cm) | 1082 ± 51 | 45,300 ± 259 | 7885.4 ± 6641.7 | 500 | 150–500 |
TDS (mg/L) | 703.3 ± 146 | 31,710 ± 715 | 5454 ± 4664 | 100 | 110–250 |