| Acronym | Meaning |
| MCNP | General Monte Carlo Code For Neutron And Photon Transport |
| OGE | Optogalvanic Effect |
| OWRS | Office Water Regulations And Standards (US EPA) |
| NASP | National Aerospace Plane |
| NLET | National Laboratory For Environmental Testing |
| AOX | Adsorbable Organohalogens |
| TOXNET | Toxicology Network Of The National Library Of Medicine |
| IDAF | Interacting Distributed Approximating Function (propagator |
| ANPP | Aboveground Net Primary Production |
| ICB | Ionized Cluster Beam |