| Acronym | Meaning |
| LOC | Level Of Concern |
| AFSEF | AIRS Facility Subsystem Emission Factors |
| C.I. | Color Index |
| MST | Microbial Source Tracking |
| SAEST | Society For Advancement Of Electrochemical Science And Technology |
| HGF | Hepatocyte Growth Factor |
| FFCA | Federal Facility Compliance Act |
| OSM | US Office Of Surface Mining Reclamation And Enforcement |
| ARC | Advanced Regulatory Control |
| NCTR | National Center For Toxicological Research |