| Acronym | Meaning |
| PEMS | Predictive Emission Monitoring System |
| NETI | National Enforcement Training Institute |
| LLDPE | Linear Low Density Polyethylene |
| 3SR | Self-sustained Sequence Replication |
| RPTP | Receptor Protein Tyrosine Phosphatase |
| VOC | Viable Organism Count |
| SR-CC | Single Reference-CC |
| GLOMAC | Global Modeling Of Atmospheric Chemistry |
| ISES | International Solar Energy Society |
| APSA | Advanced Photovoltaic Solar Array |