| Acronym | Meaning |
| HPI | Hazard Potential Index |
| CHFPT | Coupled Hartree-Fock Perturbation Theory |
| FASI | Field-amplified Sample Injection |
| PGA | Prostaglandin A |
| HACCP | Pathogen Reduction And Hazard Analysis Critical Control Point |
| PICP | Carboxyterminal Propeptide Of Type I Procollagen |
| LNB | Low Nitrogen Oxide Burner |
| PAPVD | Plasma-assisted Physical Vapor Deposition |
| PSNS | Pretreatment Standards For New Sources |
| AEZ | Alkaline Earth Zeolite |