| Acronym | Meaning |
| GRO | Gasoline-range Organics |
| RIR | Reference-intensity Ratio |
| PAA | Photon Activation Analysis |
| PVC | Pigment Volume Concentration |
| ECIP | Energy Conservation Investment Program |
| SCR | Selective Catalytic Reduction |
| APWP | Apparent Polar Wander Path |
| DH | Dortmund-Hoerder (German Vacuum Steel Refining) |
| ACOIN | Australian Core Inventory |
| ASPRS | American Society Of Photogrammetry And Remote Sensing |