| Acronym | Meaning |
| USCE | US Army Corps Of Engineers |
| HEBBLE | High Energy Benthic Boundary Layer Experiment |
| CPCPI | Chemical Protective Clothing Performance Index |
| AHMM | Academy Of Hazardous Materials Management |
| RSMST | Real-space Multiple-scattering Theory (in Electronic Structure) |
| CCDPPA | Coupled-cluster With Double Excitation Polarization Propagator |
| IIRF | Intergalactic IR Radiation Field |
| AAIP | American Association Of Investigative Pathologists |
| CBOD | Carbonaceous Biochemical Oxygen Demand |
| EASC | Extended Anaerobic Sludge Contact |