| 2-PAM | Pralidoxime Chloride |
| ABC | American Broadcasting Company |
| ACADA | Automatic Chemical Agent Alarm |
| ADMIN | Administrative |
| AED | Administrative |
| AEMT | Advanced Emergency Medical Technician |
| AER | Animal Emergency Response/Responder |
| AERT | Animal Emergency Response Team |
| AFFF | Aqueous Film Forming Foam |
| AFI | Animal Friends International |
| AFL-CIO | American Federation of Labor – Congress of Industrial Organizations |
| AHJ | Authority Having Jurisdiction |
| AIDS | Acquired Immunodeficiency Syndrome |
| ALS | Analytical Laboratory System |
| ALS | Advanced Life Support |
| ALSF | Approach Lighting with Sequenced Flashing Lights |
| AM | Amplitude Modulation |
| AM | Ante Meridiem |
| ANG | Associated Press |
| AP | Associated Press |
| APR | Air Purifying Respirators |
| ARES | Amateur Radio Emergency Services |
| ARNG | Army National Guard |
| ARRL | American Radio Relay League |
| ARTCC | Air Route Traffic Control Center |
| ASST | Assistant |
| ATAC | Anti-Terrorism Advisory Council |
| ATF | Bureau of Alcohol, Tobacco, Firearms, and Explosives |
| ATM | Automated Teller Machine |
| ATON | Aids to Navigation |
| ATSDR | Agency for Toxic Substance and Disease Registry |
| AVE | Avenue |
| AVGAS | Aviation Gasoline |
| AVMA | American Veterinary Medical Association |
| AWWA | American Water Works Association |
| BAT | Battalion Chief |
| BBC | British Broadcasting Corporation |
| BBL | Barrel |
| BCF | Billion Cubic Feet |
| BIA | Bureau of Indian Affairs |
| BLS | Basic Life Support |
| BLVD | Boulevard |
| BOD | Biochemical Oxygen Demand |
| BOQ | Bachelor Officers’ Quarters |
| BSL | Biosafety Level |
| CAD | Computer Aided Dispatch |
| CALEA | Commission on Accreditation for Law Enforcement Agencies |
| CAP | Capsule |
| CAT | Category |
| CATS-JACE | Consequence Assessment Tool Set with Joint Assessment of Catastrophic Events |
| CBP | Customs and Border Protection |
| CBRN | Chemical Biological Radiological Nuclear |
| CBRNE | Chemical Biological Radiological Nuclear Explosive |
| CBS | Columbia Broadcasting System |
| CBP | Customs and Border Protection |
| CC | Cubic Centimeter |
| CCFD | Central City Fire Department |
| CCGC | Central City Gas Company |
| CCPD | Central City Police Department |
| CCU | Critical Care Unit |
| CD | Compact Disc |
| CDC | Centers for Disease Control and Prevention |
| CDEQ | Columbia Department of Environmental Quality |
| CDHHS | Columbia Department of Health and Human Services |
| CDOT | Columbia Department of Transportation |
| CEMA | City Emergency Management Agency |
| CEMA | Columbia Emergency Management Association |
| CERC | Crisis and Emergency Risk Communication |
| CERFP | CERNE Enhanced Response Force Package |
| CERT | Community Emergency Response Team |
| CFM | Cubic Feet per Minute |
| CFO | Chief Financial Officer |
| C-HAN | Columbia Health Alert Network |
| CHC | Community Health Center |
| CHEMTREC | Chemical Transportation Emergency Center |
| CISM | Critical Incident Stress Management |
| CL | Clearance |
| CLIA | Clinical Laboratory Improvement Amendments |
| CMHC | Community Mental Health Center |
| CMRTT | Columbia Medical Resource Tracking Tool |
| CNA | Certified Nursing Assistant |
| CNN | Cable News Network |
| CNNSI | Cable News Network and Sports Illustrated |
| CO | Company |
| COG | Continuity of Government |
| COLNG | Columbia National Guard |
| CPR | Cardiopulmonary Resuscitation |
| CRHN | Columbia Regional Health Network |
| CSARDOGS | Columbia Search and Rescue Dogs |
| CSO | Community Service Officer |
| CSP | Columbia State Police |
| CSPAN | Cable Satellite Public Affairs Network |
| CSPM | Columbia State Prison for Men |
| CST | Civil Support Team |
| CSU | Columbia State University |
| CT | Computed Tomography |
| CT | Court |
| DC | District of Columbia |
| DEA | Drug Enforcement Administration |
| DECON | Decontamination |
| DEM | Division of Emergency Management |
| DEP | Deputy Chief |
| DEPT | Department |
| DEQ | Department of Environmental Quality |
| DHS | Department of Homeland Security |
| DME | Distance Measuring Equipment |
| DMNA | Division of Military and Navy Affairs |
| DMORT | Disaster Mortuary Operational Response Team |
| DNA | Deoxyribonucleic Acid |
| DOC | Department Operations Center |
| DOC | Department of Corrections |
| DOD | Department of Defense |
| DOJ | Department of Justice |
| DOT | Department of Transportation |
| DPH | Department of Public Health |
| DPS | Department of Public Safety |
| DR | Doctor |
| DR | Drive |
| DRC | Disaster Recovery Center |
| DRT | Disaster Response Team |
| DSHR | Disaster Services Human Resources |
| DT | Dual Tandem |
| DW | Dual Wheel |
| EAS | Emergency Alert System |
| EC | Emulsifiable Concentrate |
| ED | Emergency Department |
| EEPC | Edison Electric Power Company |
| EG | Exempli Gratia (Latin: For Example) |
| EMA | Emergency Management Agency |
| EMAC | Emergency Management Assistance Compact |
| EMC | Emergency Management Center |
| EMD | Emergency Medical Dispatch |
| EMI | Emergency Management Institute |
| EMP | Emergency Management Plan |
| EMR | Emergency Medical Responder |
| EMS | Emergency Medical Service |
| EMT | Emergency Medical Technician |
| EOC | Emergency Operations Center |
| EOD | Explosive Ordinance Disposal |
| EOP | Emergency Operations Plan |
| EPA | Emergency Power Available |
| EPA | Environmental Protection Agency |
| EPC | Eastern Pipeline Company |
| EPZ | Emergency Planning Zone |
| ERT | Emergency Response Team |
| ERV | Emergency Response Vehicle |
| ESAR-VHP | Emergency System for Advance Registration of Volunteer Health Professionals |
| ESS | Exercise Simulation System |
| ESSD | Exercise Simulation System Document |
| ET SEQ | Et Sequens (Latin: And the Following) |
| ETC | Et Cetera (Latin: And so Forth) |
| FAA | Federal Aviation Administration |
| FAX | Facsimile |
| FBI | Federal Bureau of Investigation |
| FCC | Federal Communications Commission |
| FEDEX | Federal Express |
| FEMA | Federal Emergency Management Agency |
| FF | Firefighter |
| FM | Fire Marshal |
| FM | Frequency Modulation |
| FMS | Federal Medical Station |
| FOLAS | Friends of the Liberty Animal Shelter |
| FQHC | Federally Qualified Health Center |
| FR | French |
| FRI | Friday |
| FSRS | Fire Suppression Rating Schedule |
| FT | Foot |
| FT | Full-Time |
| FTE | Full-Time Equivalent |
| FY | Fiscal Year |
| G | Gram |
| GA&P | Great Atlantic and Pacific |
| GAL | Gallon |
| GIS | Geographic Information System |
| GPM | Gallons per Minute |
| GPS | Global Positioning System |
| HAN | Health Alert Network (See C-HAN) |
| HAZCAT | Hazard Categorization |
| HAZMAT | Hazardous Materials |
| HD | Hospital Director |
| HDOC | Health Department Operations Center |
| HEPA | High Efficiency Particulate Air |
| HHS | Department of Health and Human Services (See CDHHS) |
| HIPAA | Health Insurance Portability and Accountability Act |
| HIRL | High Intensity Runway Light |
| HIV | Human Immunodeficiency Virus |
| HMMWV | High Mobility Multipurpose Wheeled Vehicle |
| HP | Horsepower |
| HPAC | Hazard Prediction and Assessment Capability |
| HQ | Headquarters |
| HR | Hour |
| HR | Human Resources |
| HRF | Homeland Response Force |
| HSAS | Homeland Security Advisory System |
| HSPD | Homeland Security Presidential Directive |
| HVA | Hazard/Vulnerability Analysis |
| HVAC | Heating, Ventilation, and Air Conditioning |
| HWY | Highway |
| HZ | Hertz |
| I | Interstate |
| IAP | Incident Action Plan |
| IAVM | International Association of Venue Managers |
| IC | Incident Command |
| IC | Incident Commander |
| ICAM | Improved Chemical Agent Monitor |
| ICE | Immigration and Customs Enforcement |
| ICP | Incident Command Post |
| ICS | Incident Command System |
| ID | Identification |
| IE | Id Est (Latin: That is) |
| IEM | Integrated Emergency Management |
| IHS | Indian Health Service |
| ILS | Instrument Landing System |
| IM | Intramuscular |
| IMSI | Incident Management Systems Integration |
| IMT | Incident Management Team |
| INC | Incorporated |
| INJ | Injection |
| INMARSAT | International Marine/Maritime Satellite |
| INTEL | Intelligence |
| IRS | Internal Revenue Service |
| ISO | Insurance Services Office |
| ISOL | Isolation |
| IT | Information Technology |
| ITSO | Independent Transmission System Operator |
| IV | Intravenous |
| JEOC | Joint Emergency Operations Center |
| JFHQ | Joint Force Headquarters |
| JIC | Joint Information Center |
| JIS | Joint Information System |
| JISCC | Joint Incident Site Communications Capability |
| JR | Junior |
| JTTF | Joint Terrorism Task Force – Department of Justice |
| KHZ | Kilohertz |
| KI | Potassium Iodide (See SSKI) |
| KV | Kilovolt |
| KW | Kilowatt |
| LB | Pound |
| LC | Liberty County |
| LCAA | Liberty County Airport Authority |
| LC/CCEMA | Liberty County/Central City Emergency Management Agency |
| LCDHHS | Liberty County Department of Housing and Human Services |
| LCFC | Liberty County Fire Coordinator |
| LCPHD | Liberty County Public Health Department |
| LCWAN | Liberty County Water Authority North |
| LCWAS | Liberty County Water Authority South |
| LEL | Lower Exposure Limit |
| LEPC | Local Emergency Planning Committee |
| LIA | Liberty International Airport |
| LL | Low Lead |
| LNG | Liquefied Natural Gas |
| LNO | Liaison Officer |
| LP-1 | Primary Local Program |
| LPG | Liquid Petroleum Gas |
| LRA | Liberty Railway Adventures |
| LRN | Laboratory Response Network |
| LRS | Local Receiving Site |
| LT | Lieutenant |
| LZ | Landing Zone |
| M | Meter |
| MAA | Mutual-Aid Agreement |
| MAC | Multiagency Coordination |
| MACOM | Major Command |
| MACS | Multiagency Coordination System |
| MALSR | Medium-Intensity Approach Lighting System with Runway Alignment Indicator |
| MCM | Medical Countermeasures |
| MCSV | Mass Casualty Support Vehicle |
| MD | Medical Doctor |
| ME | Medical Examiner |
| MED | Medical |
| MEDEVAC | Medical Evacuation |
| MEQ | Milliequivalent |
| MFF | Mobile Field Force |
| MG | Milligram |
| MGD | Million gallons per day |
| MGT | Management |
| MHIP | Multi-Year Flood Hazard Identification Plan |
| MHP | Mobile Home Park |
| MHZ | Megahertz |
| MI | Managed Inventory; Myocardial Infarction |
| MICU | Medical Intensive Care Unit |
| MIN | Minimum |
| MIRL | Medium Intensity Runway Light |
| ML | Milliliter |
| MLB | Motor Lifeboat |
| MM | Millimeter |
| MMTPA | Million Metric Tons Per Annum |
| MOCC | Medical Operations Coordination Center |
| MON | Monday |
| MOR | Middle of the Road |
| MOU | Memorandum of Understanding |
| MPH | Master of Public Health |
| MPH | Miles Per Hour |
| MPTV | Multi-Patient Transport Vehicle |
| MR | Mister |
| MRC | Medical Reserve Corps |
| MRI | Magnetic Resonance Imaging |
| MS | Miss |
| MS-13 | Mara Salvatrucha |
| MSA | Mine Safety Appliances |
| MSD | Military Support Detachment |
| MSDS | Material Safety Data Sheets |
| MSNBC | Microsoft/National Broadcasting Company |
| MSU | Mask Service Unit |
| MT | Mount |
| MTOE | Modified Table of Organization and Equipment |
| MTV | Medium Tactical Vehicle |
| MVA | Megavolt Ampere |
| MW | Megawatt |
| N | North |
| N-95 | N-95 Respirator |
| N/A | Not Applicable |
| NBC | National Broadcasting Company |
| NCAA | National Collegiate Athletic Association |
| NCIC | National Crime Information Center |
| NDB | Non-Directional Beacon |
| NDM | National Disaster Medical System |
| NE | Northeast |
| NFDA | National Funeral Directors Association |
| NFPA | National Fire Protection Association |
| NG | National Guard |
| NGO | Nongovernmental Organization |
| NIC | National Integration Center |
| NICU | Neonatal Intensive Care Unit |
| NIMS | National Incident Management System |
| NO | Number |
| NOAA | National Oceanic and Atmospheric Administration |
| NPDES | National Pollutant Discharge Elimination System |
| NPR | National Public Radio |
| NPS | National Park Service |
| NRC | Nuclear Regulatory Commission |
| NRF | National Response Framework |
| NVRT | National Veterinary Response Team |
| NW | Northwest |
| NWS | National Weather Service |
| OB/GYN | Obstetrician/Gynecologist |
| OEMS | Office of Emergency Medical Services |
| OOS | Out of Service |
| OR | Operating Room |
| OSHA | Occupational Safety and Health Administration |
| OZ | Ounce |
| PA | Public Address |
| PAPR | Powered Air-Purifying Respirator |
| PBS | Public Broadcasting Service |
| PBX | Private Branch Exchange |
| PCR | Polymerase Chain Reaction |
| PCS | Pieces |
| PDA | Preliminary Damage Assessment |
| PH | Public Health |
| PHECC | Public Health Emergency Coordination Center |
| PHEPR | Public Health Emergency Preparedness and Response |
| PICU | Pediatric Intensive Care Unit |
| PIO | Public Information Officer |
| PM | Post Meridiem |
| POC | Point of Contact |
| POD | Point of Dispensing |
| POD | Point of Distribution |
| PPC | Public Protection Classification |
| PPE | Personal Protective Equipment |
| PSI | Pounds per Square Inch |
| PT | Part-Time |
| PVC | Polyvinyl Chloride |
| PVN | Patient Vaccination Number |
| PWR | Pressurized Water Reactor |
| QA | Quality Assurance |
| QRV | Quick Response Vehicle |
| R&D | Research and Development |
| RACES | Radio Amateur Civil Emergency Service |
| RAD | Rape Aggression Defense |
| RADEF | Radiological Defense |
| RAID | Rapid Assessment and Initial Detection |
| RD | Road |
| RD | Rural Delivery |
| REIL | Runway End Identifier Light |
| REV | Reverend |
| RHIB | Rigid Hull Inflatable Boat |
| RIT | Rapid Intervention Team |
| RN | Registered Nurse |
| RNA | Ribonucleic Acid |
| ROTC | Reserve Officer Training Corps |
| RR | Railroad |
| RRTC | Roaring River Tribal Community |
| RSS | Receipt, Staging, and Storage |
| RVR | Runway Visual Range |
| SAD | State Active Duty |
| SAR | Search and Rescue |
| SARA | Superfund Amendments and Reauthorization Act |
| SATCOM | Satellite Communications |
| SCADA | Supervisory Control and Data Acquisition |
| SCBA | Self Contained Breathing Apparatus |
| SE | Southeast |
| SERVCO | “Serve Columbia” volunteer database |
| SICU | Surgical Intensive Care Unit |
| SITC | Standard International Trade Classification |
| SME | Subject Matter Expert |
| SNS | Strategic National Stockpile |
| SOG | Standard Operating Guideline |
| SOP | Standard Operating Procedure |
| SPCA | Society for the Prevention of Cruelty to Animals |
| SPF | Sun Protection Factor |
| SPHL | State Public Health Laboratory |
| SQ | Square |
| SQ | Subcutaneous |
| SR | State Route |
| SRO | School Resource Officer |
| SS | Substation |
| SSKI | Saturated Solution Potassium Iodide |
| ST | Saint |
| ST | Street |
| STI | Sexually Transmitted Illness |
| SUV | Sport Utility Vehicle |
| SW | Single Wheel |
| SW | Southwest |
| SWAT | Special Weapons and Tactics |
| T | Ton |
| TAB | Tablet |
| TAG | The Adjutant General |
| TB | Tuberculosis |
| TBD | To Be Determined |
| TCI | Turner Cable International |
| TDD | Telecommunication Device for the Deaf |
| TDZ | Touch Down Zone |
| TF | Task Force |
| THURS | Thursday |
| TMI | Three Mile Island |
| TUES | Tuesday |
| TTT | Train-the-Trainer |
| TV | Television |
| TW | Taxiway |
| UC | Unified Command |
| UCS | Unified Command Suite |
| UH | Utility Helicopter |
| UHF | Ultra High Frequency |
| UPS | Uninterruptible Power Supply |
| UPS | United Parcel Service |
| US | United States |
| USACE | United States Army Corps of Engineers |
| USCG | United States Coast Guard |
| USDA | United States Department of Agriculture |
| USPHS | United States Public Health Service |
| USSS | United States Secret Service |
| UTB | Utility Boat |
| UV | Ultraviolet |
| VASI | Visual Approach Slope Indicator |
| VCR | Videocassette Recorder |
| VHF | Very High Frequency |
| VIP | Very Important Person |
| VMAT | Veterinary Medical Assistance Team |
| VOAD | Voluntary Organizations Active in Disaster |
| VOC | Volatile Organic Compounds |
| W/ | With |
| WD | Wheel Drive |
| WED | Wednesday |
| WI-FI | Wireless Fidelity |
| WIC | Women, Infants, and Children |
| WMD | Weapons of Mass Destruction |
| WWII | World War II |
| XL | Extra Large |
| YD | Yard |
| YSO | Youth Service Officer |
| YSU | Youth Service Unit |
| YMCA | Young Men’s Christian Association |
| YWCA | Young Women’s Christian Association |