| Code | Description | TFR Code | TFR Description | NCA Code | NCA Description |
|---|---|---|---|---|---|
| HWB | Stains Indicators & Tracers | 312 | Laboratory Equipment - Purchase | 7121 | Laboratory Chemicals |
| HWM | Radioactive Indicators & Tracers | 312 | Laboratory Equipment - Purchase | 7125 | Laboratory Radio-Isotopes |