| Acronym | Meaning |
| BOA | Bond Orbital Approximation |
| HENA | High-energy Neutral Atom |
| DQMC | Diffusion Quantum Monte Carlo (method In Atom And Mol. Calcns.) |
| NAIM | Nucleotide Analog Interference Mapping |
| EFTIR | Emission Fourier Transform Infrared Spectroscopy |
| NPD | Nitrogen Phosphorus Detector (gas Chromatography) |
| ADPD | Angular-dependent Photoelectron Diffraction |
| FOLIBS | Fiber Optic Laser Induced Breakdown Spectroscopy |
| NADB | National Air Data Branch (US EPA) |
| NAREL | National Air And Radiation Environmental Laboratory |