| Acronym | Meaning |
| AATB | American Association Of Tissue Banks |
| BHMT | Betaine-homocysteine Methyltransferase |
| IUCHF | Improved Uncoupled Hartree Fock |
| HAA | Haloacetic Acid |
| AFSB | Anaerobic Fluidized Sludge Blanket |
| APTIC | Air Pollution Technical Information Center |
| SHAPM | Shear Horizontal Acoustic Plate Mode |
| OSTLS | Optical Saturation Thermal Lens Spectrometry |
| NRC | Nuclear Regulatory Commission |
| TBW | Total Body Water |