| Acronym | Meaning |
| TRFQ | Time-resolved Fluorescence Quenching |
| RCP | Reciprocal Calcn. Procedure [of ACGIH] |
| FASEB | Federation Of American Societies For Experimental Biology |
| PO-DVR-REV | Potential Optimized-discrete Variable Representation-ray Eigenvector |
| SMART-1 | Small Missions For Advanced Research In Technology-1 |
| NEIS | National Environmental Information Service |
| URF | Unit Risk Factor |
| MIDAS | Microimaging Dust Analysis System |
| IGP | Intergranular Penetration |
| RLCA | Reaction-limited Cluster Aggregation |