| Acronym | Meaning |
| CAD | Collisionally Activated Dissociation |
| PAHO | Pan American Health Organization |
| NPSSMO | Nonpaired Spin Spatial Molecular Orbital |
| ERAQS | Eastern Regional Air Quality Study |
| ALAP | As Low As Possible |
| RSK | Ribosomal S6 Kinase |
| STREAM | Stream Transport And Agricultural Runoff Of Pesticides For Exposure Assessment Methodology |
| UMNDO | Spin-unrestricted Modified Neglect Of Diatomic Overlap |
| NEL | No Effect Level |
| ACFB | Atmospheric Circulating Fluidized Bed |