| Acronym | Meaning |
| MSS | Monosulfide Solid Solution |
| PCM | Phase Contrast Microscopy |
| HACS | Hazard Assessment Computer System |
| DMS | Dimethyl Sulfide |
| ACFM | Actual Cubic Feet Per Minute |
| AED | Atomic Emission Detector |
| CIOSC | Combined Intelligence Objectives Sub-Committee |
| DAL | Defect Action Level |
| CELIA | Competitive Enzyme-Linked Immunoassay |
| LAMMA | Laser Microprobe Mass Analysis |