| Acronym | Meaning |
| QPD | Quadrature Phase Detection |
| LDR | Land Disposal Restriction(s) |
| ICPD | Inductively Coupled Plasma Deposition |
| RSP | Respirable Suspended Particulates |
| MBRS | Molecular Beam Relaxation Spectrometry |
| LAI | Leukocyte Adherence Inhibition |
| APCS | Argonne Premium Coal Sample |
| LGL | Large Granular Lymphocyte |
| ECP | Exponential Corrugated Potential |
| ANS | American National Standard |