| Acronym | Meaning |
| BHA | 3-tert-butyl-4-hydroxyanisole Par |
| HHS | Health And Human Services Department |
| RMC | Reverse Monte Carlo |
| PMDA | Pyromellitic Dianhydride |
| HHPN | Hydraulic High Pressure Nebulization |
| MSPO | Method Of Successive P |
| BI | Bond Increment (method In Calcns. On Large Molecules) |
| TRS | Total Reduced Sulfur |
| PDS | Photothermal Deflection Spectroscopy |
| TSA | Toluenesulfonic Acid |