| RLP | radiation leukemia protection; ribosome-like particle |
|---|---|
| RPG | radiation protection guide; Report Program Generator[ PC language]; retrograde pyelogram; rheoplethy... |
| SRP | short rib-polydactyly [syndrome]; signal recognition particle; Society for Radiological Protection; ... |
| SPF | Sun Protection Factor |
|---|---|
| US EPA | United States Environmental Protection Agency |
| HPD | hearing protection device |
| HPA | hybridization protection assay |