| Acronym | Meaning |
| ACTH | Adrenocorticotrophic Hormone (reg:9003-56-9) |
| PIUS | Process Inherent Ultimate Safety |
| HTCGC | High Temperature Capillary Gas Chromatography |
| ACCP | Atlantic Climate Change Program (of NOAA |
| AGMA | American Gear Manufacturers Association |
| NPRI | National Pollutant Release Inventory |
| BSG | Borosilicate Glass |
| HKF | Helgeson-Kirkham-Flowers (equation Of State) |
| AWWA | American Water Works Association |
| NES | National Energy Strategy |