| Acronym | Meaning |
| SLO | Strictly Localized Orbital |
| HT-EOVC | High-temperature Engine Oil Viscosity Classification |
| AAP | Asbestos Action Program |
| IMDG | International Maritime Dangerous Goods |
| ELF | Extremely Low Frequency |
| PTR | Photothermal Radiometry |
| FCPC | Full-core Plus Correlation (calcn. Method) |
| AACVD | Aerosol-assisted Chemical Vapor Deposition |
| NATA | National Air Toxics Assessment |
| AIR CHIEF | Air ClearingHouse For Inventories And Emission Factorspar |