| Acronym | Meaning |
| GFN | Grain Fineness Number |
| TMIC | Toxic Materials Information Center |
| EICP | Enclosed Inductively Coupled Plasma |
| TEDS | Timed Exposure Diffusive Sampler (for Air Pollution) |
| HDF | Human Diploid Fibroblast |
| TTU | Transportable Treatment Unit |
| ACERC | Advanced Combustion Engineering Research Center |
| CINC | Cytokine-induced Neutrophil Chemoattractant |
| PCP | Pentachlorophenol (Reg: 87865) |
| HOC | Hydrophobic Organic Compounds |