| Acronym | Meaning |
| TRPH | Total Recoverable Petroleum Hydrocarbons |
| ABL | Atmospheric Boundary Layer |
| IMS | Incomplete Model Space (in Many-body Calcns.) |
| CBN | Cubic Boron Nitride |
| TIMS | Thermal Infrared Multispectral Scanner |
| MBSCI | Minimum Basis Set Configuration Interaction |
| RSD | Relative Standard Deviation |
| ACSP | Acetyl Cyclohexylsulfonyl Peroxide |
| ALS | Autonomous Listening Station |
| SCC | Source Classification Code |