| Acronym | Meaning |
![](file.png) | CAROL | Centralized Air Emissions Repository On-Line |
![](file.png) | CARPT | Computer Automated Radioactive Particle Tracking |
![](file.png) | CARRI | Computerized Assessment Of Relative Risk Impacts |
![](file.png) | CARS | Corrective Action Reporting System (now Known As RCRIS) |
![](file.png) | CARS | Coherent Anti-Stokes Raman Spectroscopy |
![](file.png) | CART | Classification And Regression Tree (method In Statistical Analysis) |
![](file.png) | CART | Cloud And Radiation Testbed |
![](file.png) | CART | Cocaine And Amphetamine Regulated Transcript |
![](file.png) | CARTS | Critical Actions Requirements Tracking System |
![](file.png) | CAS | Chemical Abstracts Service |
![](file.png) | CAS-CI | Complete Active Space-configuration Interaction |
![](file.png) | CAS-MC-SCF | Complete Active Space-multiconfiguration-SCF |
![](file.png) | CAS-SCF | Complete Active Space SCF (a CI-type Method) |
![](file.png) | CAS-SI | Complete Active Space-state Interaction |
![](file.png) | CASAC | Clean Air Scientific Advisory Committee (US EPA) |
![](file.png) | CASARM | Chemical Agent Standard Analytical Reference Material |
![](file.png) | CASE | Computer Assisted Structure Elucidation |
![](file.png) | CASE | Coordinated Air Sea Experiment |
![](file.png) | CASE | Computer Aided Software Engineering |
![](file.png) | CASH | CaO-Al2O3-SiO2-H2O System |
![](file.png) | CASI | Compact Airborne Spectrographic Imager |
![](file.png) | CASP | Computer-assisted Synthesis Planning |
![](file.png) | CASPT | Complete Active Space-perturbation Theory |
![](file.png) | CASPT2 | Complete Active Space With Second-order Perturbation Theory |
![](file.png) | CASR | Chemical Activity Status Report |
![](file.png) | CASRN | Chemical Abstracts Service Registry Number |
![](file.png) | CASS | Computer Assisted Stratification And Sampling |
![](file.png) | CASS | Cyclic Activated Sludge System |
![](file.png) | CASSCF | Complete Active Space-self Consistent Field |
![](file.png) | CASSCF-CCI | Complete Active Space Self-consistent Field-contracted CI |
![](file.png) | CASSS | California Separation Science Society |
![](file.png) | CAST | CERN Axion Solar Telescope |
![](file.png) | CAST | Council For Agricultural Science And Technology |
![](file.png) | CAST | Cyclic Activated Sludge Technol. |
![](file.png) | CASTNET | Clean Air Status And Trends Network |
![](file.png) | CASV-MC-SCF | Complete Active Space Valence Space-multiconfiguration-SCF |
![](file.png) | CAT | Chloramphenicol Acetyltransferase |
![](file.png) | CAT | Clear Air Turbulence |
![](file.png) | CAT | Computer-aided Tomography |
![](file.png) | CATA | Computer-aided Thermal Anal. |
![](file.png) | CATC | Cyanide Amenable To Chlorination |
![](file.png) | CATS | Corrective Action Tracking System |
![](file.png) | CATSAT | Cooperative Astrophysics And Technology Satellite |
![](file.png) | CATSI | Compact Atmospheric Sounding Interferometer |
![](file.png) | CAU | Carbon Adsorption Unit |
![](file.png) | CAUGA | Clifford Algebra Unitary Group Approach |
![](file.png) | CAW | Carbon Arc Welding |
![](file.png) | CAWAI | Commission On Atomic Weights And Isotope Abundances |
![](file.png) | CAWC | Cryogenic Aerosol Wafer Cleaning |
![](file.png) | CAWG | Clean Air Working Group |