| Acronym | Meaning |
| AITP | Affinity Isotachophoresis |
| IRM | Information Resources Management |
| WQAS | Water Quality Analysis System (file Within STORET) |
| ITC | Isothermal Titration Calorimetry |
| BWO | Backward Wave Oscillator |
| EPA | Extended Pair Approxn. (in Elec. Cond. Calcn.) |
| ESRD | End-stage Renal Disease |
| G.P. | Guinier-Preston Zone |
| PIPICO | Photoion-photoion Coincidence |
| BPCC | 2,2'-bipyridinium Chlorochromate |