| Acronym | Meaning |
| NIS | Neutron Inelastic-scattering |
| CRWQCB | California Regional Water Quality Control Board |
| ACL | Average Contaminant Level |
| POF | Plastic Optical Fiber |
| SAR | Synthetic Aperture Radar |
| FAP | Familial Amyloidotic Polyneuropathy |
| MIF | Migration Inhibitory Factor |
| CEPA-2V | Coupled-electron-pair Approxn. (with) Variational (method) |
| PDS | Piecewise Direct Standardization |
| APCD | Air Pollution Control District |