| Acronym | Meaning |
| LIFS | Laser Induced Fluorescence Spectroscopy |
| AA | Assistant Administrator |
| RR | Round Robin (test) |
| JAERI | Japanese Atomic Energy Research Institute |
| RFA | Regulatory Flexibility Analysis |
| MADE | The Macro-Dispersion Test Site |
| IRS | Internal Reflection Spectroscopy |
| DPSSL | Diode Pumped Solid State Laser |
| NEDB | National Exposure Database (HSE) |
| RCP | Reciprocal Calcn. Procedure [of ACGIH] |