| Acronym | Meaning |
| BATEA | Best Available Technology Economically Achievable |
| CAT | Clear Air Turbulence |
| INMM | Institute Of Nuclear Materials Management |
| PCP | Pentachlorophenol (Reg: 87865) |
| HCF | High-cycle Fatigue |
| TMR | Tunneling Magnetoresistance |
| HMW | High Molecular Weight |
| NATICH | National Air Toxics Information Clearinghouse |
| GBH | Gravel Bed Hydroponic System (for Wastewater Treatment) |
| BZR | Benzodiazepine Receptor |