| Acronym | Meaning |
| LT2ESWTR | Long-Term 2 Enhanced Surface Water Treatment Rule [of US EPA] |
| CCPE | Charge Core Potential Energy Method (for Conformational Analysis) |
| BCS-CRM | British Chemical Standard-Certified Reference Material |
| FECS | Federation Of European Chemical Societies |
| MWNT | Multiwall Nanotube |
| BOM | Benthic Organic Matter |
| USCE | US Army Corps Of Engineers |
| NCSCI | National Center For Standards And Certification Information |
| BFU-E | Burst-forming Unit-erythroid |
| FLASH | Fluorescent Airborne Stratospheric Hygrometer |