| Acronym | Meaning |
 | RIR | Reference-intensity Ratio |
| IESWTR | Interim Enhanced Surface Water Treatment Rule |
| RLS | Recursive Least Squares (algorithm) |
| PSNS | Pretreatment Standards For New Sources |
| WCRP | World Climate Research Programme |
| BAF | Biological Aerated Filter |
| CCAP | Climate Change Action Plan |
| BOO | Bond Order Orbital |
| BWCC | Brillouin-Wigner Coupled-cluster (theory) |
| ATCC | American Type Culture Collection |
Browse by Letter:
