| Acronym | Meaning |
| LIR | Limiting Infiltration Rate |
| RIOSA | Rotational Infinite Order Sudden Approxn. |
| ISTS | Impulsive Stimulated Thermal Scattering [a Laser-based Ultrasonic Technique] |
| EQCM | Electrochemical Quartz Crystal Microbalance |
| TARIS | Thermal Atomization Resonance Ionization Spectrometry |
| PSRP | Process To Significantly Reduce Pathogens (of EPA) |
| MRISSA | Municipal Refuse Incineration System Simulation And Analysis Model |
| CTZ | Coastal Transition Zone |
| AWRA | American Water Resources Association |
| CSM | Continuum Solvation Model |