| Acronym | Meaning |
| NGPSA | Natural Gas Pipeline Safety Act |
| MCE | Multichannel Eikonal (method For Scattering Calcns.) |
| SWNT | Single-wall Nanotube |
| AAQS | Ambient Air Quality Standard (USEPA) |
| CCW | Constituent Concentrations In Waste |
| ATE | Automatic Test Equipment |
| CDOC | Colored Dissolved Organic Carbon |
| HRV | Human Rhinovirus |
| AIRS | Atmospheric Infrared Sounder |
| MVEL | Motor Vehicle Emission Laboratory |