| Acronym | Meaning |
| HDPE | High-density Polyethylene |
| CEPEX | Controlled Ecosystem Pollution Experiment |
| TPA | Two-photon Absorption |
| LANL | Los Alamos National Laboratory |
| ECL | Environmental Chemical Laboratory |
| STEP | Soil Treatment Evaluation Program |
| NEAT | Near Earth Asteroid Tracking |
| TWA | Time-weighted Average Limit |
| QED | Quantum Electrodynamics |
| CRDS | Cavity Ring-down Spectroscopy |