Elements | Min. Conc. | 1st Quartile (Q1) | Median | Max. Conc. | 3rd Quartile (Q3) | No of samples where detected | Geometric Mean (X) | Standard Deviation (S) | Threshold Log−1 (X + 2S) | Threshold Log−1 (Q3 + 1.5 (Q3-Q1) |
Ag | 0.477 | 0.903 | 1.176 | 2.190 | 1.380 | 47 | 1.174 | 0.366 | 80.568 | 1.763 |
As | −1 | 1.020 | −0.126 | 2.331 | 1.775 | 48 | 0.008 | 0.513 | 10.820 | 3.5 |
Au | −0.398 | 0.7 | 0.114 | 1.097 | 2.7 | 43 | 0.180 | 0.423 | 10.645 | 5.6 |
Cd | −2 | 0.01 | −1.699 | −1.222 | 0.033 | 26 | −1.649 | 0.261 | 0.075 | 0.06 |
Cu | 0.121 | 7.06 | 1.067 | 1.897 | 18.215 | 49 | 1.029 | 0.341 | 51.486 | 33.22 |
Fe | −0.921 | 1.18 | 0.328 | 1.091 | 2.81 | 49 | 0.265 | 0.356 | 9.467 | 4.43 |
Hg | 0.778 | 10.5 | 1.279 | 2.037 | 28.75 | 48 | 1.272 | 0.265 | 63.264 | 50 |
Mn | 1.204 | 221.5 | 2.486 | 3.064 | 481.5 | 49 | 2.452 | 0.374 | 1589.24 | 804 |
Pb | 0.299 | 8.165 | 1.002 | 1.430 | 15.99 | 49 | 1.003 | 0.244 | 30.978 | 26.94 |
Sb | −1.699 | 0.03 | −1.301 | −0.420 | 0.065 | 41 | −1.301 | 0.337 | 0.236 | 0.11 |
Zn | 0.342 | 14.95 | 1.567 | 2.555 | 76.4 | 49 | 1.520 | 0.506 | 340.158 | 167.7 |