Lab Guide changes 2026
Changes February 2026
| Analysis | Number | Adjustment | Date adjustment |
| Iodine (U24) | 7160 | Changed reference values | 02/02/2026 |
| Iodine (U) | 57164 | Changed reference values | 02/02/2026 |
| m+p-Xyleen (H) | 58286 | New analysis | 02/02/2026 |
| m+p-Xyleen (U) | 58030 | New battery | 02/02/2026 |
| Naphtalene (U) | 57911 | Modified method and reference values | 02/02/2026 |
| o-Xylene (H) | 56273 | Modified method and reference values | 02/02/2026 |
| o-Xylene (U) | 57825 | Modified method and reference values | 02/02/2026 |
| Styrene (H) | 56278 | Modified method and reference values | 02/02/2026 |
| Styrene (U) | 57815 | Modified method and reference values | 02/02/2026 |
| Toluene (H) | 56271 | Modified method and reference values | 02/02/2026 |
| Toluene (U) | 57905 | Modified method and reference values | 02/02/2026 |
Changes January 2026
| Analysis | Number | Adjustment | Date adjustment |
| Hepatitis C genotyping (within NIHDI) (EP) | 6820 | Executive laboratory changed | 23/01/2026 |