| Acronym | Meaning |
| IRC | Information Resource Center |
| LPWN | Low Power Wireless Network |
| HAN | Heavy Aromatic Naphtha |
| PEC | Predicted Environmental Concentration |
| RDA | Recommended Daily Allowance |
| MRCEPA | Multireference Coupled-electron-pair Approxn. |
| BPNN | Back Propagation Neural Network |
| DAPS | Disappearance Potential Spectroscopy |
| CFAST | Center For Field Analytical Studies And Technology |
| HETA | Hazard Evaluation Technical Assistance Branch (NIOSH) |