Name of elements | Measured value (ppm) | Standard dev. (ppm) | Actual value (ppm) |
Chromium | 18.25 | 18.25 | 0.5 |
Cadmium Cd | 4.5 | 0.9 | 3.98 |
Lead Pb | 0.7 | 0.1 | 0.9 |