| Acronym | Definitions |
|---|---|
| NPD | 13 |
| NPDES | 2 |
| NPDR | 3 |
| NPDS | 3 |
| NPDWR | 1 |
| NPE | 7 |
| NPES | 2 |
| NPF | 5 |
| NPG | 5 |
| NPGS | 2 |
| NPH | 7 |
| NPI | 10 |
| NPIC | 2 |
| NPIN | 2 |
| NPIRES | 1 |
| NPIRS | 1 |
| NPL | 11 |
| NPM | 5 |
| NPMA | 2 |
| NPMO | 1 |
| NPMOC | 1 |
| NPN | 4 |
| NPO | 16 |
| NPOC | 4 |
| NPODS | 2 |
| NPOE | 2 |
| NPOESS | 4 |
| NPOP | 1 |
| NPP | 6 |
| NPPC | 4 |
(1231 — 1260 of 1623)