| Element | Isotope(s) Measured | aIsotope (USEPA) | Isotope Used in this Study | Recoveries % Range (cf SRM ± 1 SD) |
| Arsenic | 75 | 75 | 75 |
|
| Barium | 137 | 137 | 137 | 84.4 - 95.2 |
| Beryllium | 9 |
| 9 |
|
| Cadmium | 111, 112, 114 | 111 | 111 |
|
| Calcium | 44 |
| 44 |
|
| Caesium | 133 |
| 133 |
|
| Chromium | 52, 53 |
| 52 | 90.8 - 91.7 |
| Cobalt | 59 | 59 | 59 | 94.7 - 102.1 |
| Copper | 63, 65 | 63 | 63 | 59.7 |
| Iron | 57 |
| 57 | 115.7 - 131.0 |
| Lead | all | 206, 207, 208 | 206, 207, 208 | 111.4 - 122.8 |
| Lithium | 7 |
| 7 |
|
| Magnesium | 24 | 24 | 24 | 108.0 - 113.1 |
| Manganese | 55 | 55 | 55 |
|
| Mercury | qualitative |
| - |
|
| Nickel | 60 | 60 | 60 | 86.5 - 102.3 |
| Rubidium | 85 |
| 85 |
|
| Selenium | 78 | 82 | 82 |
|
| Strontium | 88 |
| 88 |
|
| Uranium | 238 |
| 238 |
|
| Vanadium | 51 | 51 | 51 | 146.5 - 161.5 |
| Zinc | 66, 68 | 66 | 66 | 69.7 - 70.6 |