| Acronym | Meaning |
![](file.png) | AST | Aboveground Storage Tank |
![](file.png) | AST | Aspartate Aminotransferase |
![](file.png) | ASTDR | Agency For Toxic Substances And Disease Registry |
![](file.png) | ASTER | Advanced Spaceborne Thermal Emission And Reflection Radiometer (EOS) |
![](file.png) | ASTER | Assessment Tools For The Evaluation Of Risk |
![](file.png) | ASTER | Acceptable Short-term Exposure Range |
![](file.png) | ASTEX | Atlantic Stratus Transition Experiment |
![](file.png) | ASTHO | Association Of State And Territorial Health Officers |
![](file.png) | ASTIS | Arctic Science And Technology Information System |
![](file.png) | ASTM | American Society For Testing And Materials |
![](file.png) | ASTRA | Alliance For Science And Technology Research In America |
![](file.png) | ASTRAP | Advanced Statistical Trajectory Regional Air Pollution Model |
![](file.png) | ASTROS | Automated Structural Optimization System |
![](file.png) | ASTSWMO | Association Of State And Territorial Solid Waste Management Officials |
![](file.png) | ASU | Air Separation Unit |
![](file.png) | ASV | Anodic Stripping Voltammetry |
![](file.png) | ASW | Acoustic Surface Wave Measurements |
![](file.png) | ASW | Amorphous Solid Water |
![](file.png) | ASW | Artificial Seawater |
![](file.png) | ASW | Augmented Spherical Wave |
![](file.png) | ASW | Axial Spin Wave (type Of Hartee-Fock Wave Function) |
![](file.png) | ASX | Aluminosilicate Xerogel |
![](file.png) | ATA | Anaerobic Toxicity Assay |
![](file.png) | ATA | Average T-matrix Approximation |
![](file.png) | ATAD | Auto Thermal Aerobic Digestion |
![](file.png) | ATAS | Advance Technology Alert System |
![](file.png) | ATBN | Amine Terminated Butadiene Acrylonitrile (rubber) |
![](file.png) | ATCA | Australia Telescope Compact Array |
![](file.png) | ATCC | American Type Culture Collection |
![](file.png) | ATCM | Air Toxics Control Measure |
![](file.png) | ATD | Alzheimer Type Dementia |
![](file.png) | ATD | Atmospheric Technology Division |
![](file.png) | ATDC | After Top Dead Center (gasoline And Diesel Engine Timing) |
![](file.png) | ATDHF | Adiabatic Time-dependent Hartree-Fock |
![](file.png) | ATE | Automatic Test Equipment |
![](file.png) | ATECT | Acetyl Triethyl Citrate |
![](file.png) | ATEM | Analytical Transmission Electron Microscopy |
![](file.png) | ATERIS | Air Toxics Exposure And Risk Information System |
![](file.png) | ATES | Aquifer Thermal Energy Storage |
![](file.png) | ATF | Advanced Toroidal Facility |
![](file.png) | ATF | Activating Transcription Factor |
![](file.png) | ATF | Automatic Transmission Fluid |
![](file.png) | ATG | Derivative Thermal Anal. |
![](file.png) | ATG | Antithymocyte Globulin |
![](file.png) | ATH | Aluminum Trihydrate |
![](file.png) | ATIR | Attenuated Total Reflectance Infrared |
![](file.png) | ATL | Adult T-cell Leukemia |
![](file.png) | ATLAS | A Toroidal LHC Apparatus |
![](file.png) | ATLAS | Airborne Tunable Laser Absorption Spectrometer |
![](file.png) | ATLAS | Atmospheric Laboratory For Applications And Science |