SRM (Standard Reference Material)
| Attribute | Format | Table | Guidelines & Restrictions | Definition |
|---|---|---|---|---|
| C12 | Valid Values | RESULTS | SRM may not be left blank. | The code identifying the source of the Standard Reference Material for the calibration method used by the analytical laboratory. |
| SRM must contain a valid value. | ||||
| Special Notes | ||||
| When no reference material is used, enter "NA." | ||||