| Acronym | Meaning |
| HASL | Hypothetical Active Site Lattice |
| DARA | Disposal Area Remedial Action |
| DDRPA | Double Direct Random Phase Approximation |
| SCALPEL | Scattering With Angular Limitation Projection Electron Lithography |
| SCPA | Self-consistent Phonon Approximation (for Lattice Dynamics Of Quantum Crystals) |
| ALS | Acid Labile Subunit |
| EMCI | Envirofacts Master Chemical Integrator |
| SS-OFMSW | Source Sorted Organic Fraction Of Municipal Solid Waste |
| FSGO | Floating Spherical Gaussian Orbital |
| BIOFOR | Biogenic Aerosol Formation In The Boreal Forest |