| Acronym | Meaning |
| SPIRIT | Spatial IR Imaging Telescope |
| NSPS | New Source Performance Standards |
| BAAQMD | Bay Area Air Quality Management District |
| GDOES | Glow Discharge Optical Emission Spectrometry |
| LACCC | Liquid Absorption Chromatography At Critical Conditions |
| UCA | Unit Cell Approximation [simulation Method] |
| ISCC | Intergranular Stress-corrosion Cracking |
| NCTR | National Center For Toxicological Research |
| RNAI | RNA Interference |
| MRIS | Municipal Refuse Incineration System(s) |