| Acronym | Meaning |
| RQ | Respiratory Quotient |
| PLDA | Piecewise Linear Discriminant Analysis |
| AHRQ | Agency For Healthcare Research And Quality |
| FGDIS | Flue Gas Desulfurization Information System |
| DRS | Diffuse Reflectance Spectroscopy |
| LTPLD | Liquid Target Pulsed Laser Deposition |
| CBI | Confidential Business Information |
| RSS | Residual Sum Of Squares |
| HVA | Homovanillic Acid |
| CDO | Controlled Decomposition/oxidation |