| Acronym | Meaning |
| SFRI | Sludge Filtration Resistance Index |
| AIRS | Atmospheric Information Retrieval System |
| BWO | Backward Wave Oscillator |
| LNAPL | Light Nonaqueous Phase Liquid |
| CANDI | Carbon And Nutrient Diagenesis |
| LAWG | Laboratory Accreditation Working Group |
| PBB | Polybrominated Biphenyl |
| NETL | National Energy Technology Laboratory |
| SRXPS | Spin-resolved X-ray Photoelectron Spectroscopy |
| SLAMS | State And Local Air Monitoring System |