| Acronym | Meaning |
 | PSI | Plan Shear Indicator |
| ALSI | Aluminum Silicon Alloy |
| AGM | Atmospheric Gas Measurements Section |
| PFA | Prime Factor Algorithm |
| STEPS | Severe Thunderstorm Electrification And Precipitation Study |
| OSCAR | Oxidant-Scavenging Characteristics Of April Rains |
| IEE | Institute Of Electrical Engineers |
| AL/FPMD | AL Facilities Planning & Maintenance Division |
| FFDCA | Federal Food, Drug, And Cosmetic Act (US) |
| NEC | Norman (Oklahoma) Evaluation Committees |
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