| Acronym | Meaning |
| PPM | Pair Population Method |
| TARC | Tiered Area Response Capability |
| GEOSECS | Geochemical Ocean Sections |
| IAAD | Ion Assisted Arc Deposition |
| EQS | Environmental Quality Standard |
| SCMPS | Spin-corrected Moeller-Plesset Nth-order |
| GWRTAC | Groundwater Remediation Technologies Analysis Center |
| DXRD | Differential X-ray Diffraction |
| SRC | Solvent-refined Coal |
| SNRNP | Small Nuclear Ribonucleoprotein |