| Acronym | Meaning |
| HWTC | Hazardous Waste Treatment Council |
| APPH | Auger Peak To Peak Height |
| ERPG | Emergency Response Planning Guidelines |
| AMU | Atomic Mass Unit |
| CASE | Computer Aided Software Engineering |
| DAFS | Diffraction Anomalous Fine Structure |
| ALAPCO | Association Of Local Air Pollution Control Officials |
| LAMMA | Laser Microprobe Mass Analysis |
| MZDO | Modified Zero Differential Overlap |
| WOUDC | World Ozone And UV Data Center |