| Abbreviation | Name |
| AAP | American Academy of Pediatrics |
| AAPCC | American Association of Poison Control Centers |
| ABA | American Burn Association |
| ABC | Airway, Breathing, Circulation |
| ABLS | Advanced Burn Life Support |
| ACC | American Chemistry Council |
| ACGIH | American Conference of Governmental Industrial Hygienists |
| ACOEM | American College of Occupational and Environmental Medicine |
| ACS | American College of Surgeons |
| AEGL | Acute Exposure Guideline Level |
| AHRQ | Agency for Healthcare Research and Quality |
| AIHA | American Industrial Hygiene Association |
| ALARA | As Low As Reasonably Achievable |
| ALI | Allowable Levels of Intake / Annual Limits of Intake |
| ALOHA | Areal Locations of Hazardous Atmospheres |
| ALS |
Advanced Life Support |
| AMAD | Activity Median Aerodynamic Diameter |
| AMRICD | Army Medical Research Institute of Chemical Defense |
| AOEC | Association of Occupational and Environmental Clinics |
| APF | Assigned Protection Factor |
| APR | Air-Purifying Respirator |
| ARC | American Red Cross |
| ARDS | Acute Respiratory Distress Syndrome |
| ASD | Acute Stress Disorder |
| ASPR | Office of the Assistant Secretary for Preparedness and Response |
| ATSDR | Agency for Toxic Substances and Disease Registry |
| BEI | Biological Exposure Indices |
| BLE | Bilateral Lower Extremities |
| BLS |
Basic Life Support |
| BP | Blood Pressure |
| CalEPA | California Environmental Protection Agency |
| CAMEO | Computer-Aided Management of Emergency Operations |
| CBRN | Chemical, Biological, Radiological, Nuclear |
| CDC | Centers for Disease Control and Prevention |
| CFR | Code of Federal Regulations |
| CHPPM |
Center for Health Promotion and Preventive Medicine |
| CIA | Central Intelligence Agency |
| CICADs | Concise International Chemical Assessment Documents |
| CMP | Comprehensive Metabolic Panel |
| CPSC | Consumer Product Safety Commission |
| CWC |
Chemical Weapons Convention |
| DEA |
Drug Enforcement Administration |
| DHHS | Department of Health and Human Services |
| DHS | Department of Homeland Security |
| DMAT |
Disaster Medical Assistance Team |
| DMORT | Disaster Mortuary Operational Response Team |
| DNA | DeoxyriboNucleic Acid |
| DOD | Department of Defense |
| DOE | Department of Energy |
| DOT | Department of Transportation |
| DVA | Department of Veterans Affairs |
| DVT | Deep Venous Thrombosis |
| Dx | Diagnosis |
| ECB | European Chemicals Bureau (Former) |
| ECDIN | Environmental Chemicals Data and lnformation Network |
| ECETOC | European Center for Ecotoxicology and Toxicology of Chemicals |
| ECHA | European Chemicals Agency |
| ED | Emergency Department |
| EINICS | European Union Database |
| EKG | Electrocardiogram |
| ELF | Extremely Low Frequency |
| EM | Emergency Management / Emergency Medicine |
| EMP | Electromagnetic pulse |
| EMS | Emergency Medical Service |
| EPA | Environmental Protection Agency |
| EPI | Estimation Program Interface |
| ERG | Emergency Response Guidebook |
| ERPG | Emergency Response Planning Guideline |
| EU | European Union |
| FAQ | Frequently Asked Question |
| FAO | Food and Agriculture Organization of the United Nations |
| FBI | Federal Bureau of Investigation |
| FDA | Food and Drug Administration |
| FEMA | Federal Emergency Management Agency |
| GI | Gastrointestinal |
| HAZMAT | Hazardous Materials |
| HCRA | Harvard Center for Risk Analysis |
| HCW | Health Care Worker |
| HEPA | High-Efficiency Particulate Air Filter |
| HHS | Department of Health and Human Services |
| HICS | Hospital Incident Command System |
| HR | Heart Rate |
| HSDB | Hazardous Substances Data Bank |
| HSEEP | Homeland Security Exercise and Evaluation Program |
| IARC | International Agency for Research on Cancer |
| ICPHSO | International Consumer Products Health and Safety Organization |
| ICS | Incident Command System |
| ICSC | International Chemical Safety Cards |
| IDLH | Immediately Dangerous to Life and Health |
| ILO | International Labor Office |
| ILSI | International Life Sciences Institute |
| IMAAC | Interagency Modeling and Atmospheric Assessment Center |
| IOM | Institute of Medicine |
| IPCS | International Programme on Chemical Safety |
| IR | Infrared |
| IRIS | Integrated Risk Information System |
| ISES | International Society of Exposure Science |
| ITER | International Toxicity Estimates for Risk |
| IUTOX | International Union of Toxicology |
| JCAHO | Joint Commission on Accreditation of Healthcare Organizations |
| LD50 | Lethal Dose in 50% of the population |
| LD50/30 | Lethal Dose in 50% of the population at 30 days |
| ListServ | List Service |
| LSA | Low Specific Activity |
| MCI | Mass Casualty Incidents |
| MD | Medical Doctor |
| MOPP | Mission Oriented Protective Posture |
| MRC |
Medical Reserve Corps |
| MSDS | Material Safety Data Sheets |
| MW | Microwave |
| NACCT | National Advisory Committee on Children and Terrorism |
| NATO | North Atlantic Treaty Organization |
| NBC | Nuclear, Biological, and Chemical |
| NCEA | National Center for Environmental Assessment |
| NCEH | National Center for Environmental Health (Centers for Disease Control and Prevention) |
| NCI | National Cancer Institute |
| NDMS |
National Disaster Medical System |
| NIAID | National Institute of Allergy and Infectious Diseases |
| NIH | National Institutes of Health |
| NIMS | National Incident Management System |
| NIOSH | National Institute for Occupational Safety and Health |
| NKDA | No Known Drug Allergies |
| NLM | National Library of Medicine |
| NPS | National Pharmaceutical Stockpile |
| NRC | National Response Center |
| NRF | National Response Framework |
| NSF | National Science Foundation |
| OCHA | United Nations Office for the Coordination of Humanitarian Affairs |
| OECD | Organisation for Economic Co-Operation and Development |
| OHS | Occupational Health and Safety |
| OPEO | Office of Planning and Emergency Operations |
| OPP (now OCSPP) |
Office of Pesticides Prevention (now Office of Chemical Safety and Pollution Prevention) |
| OSHA | Occupational Safety & Health Administration |
| PAG | Protective Action Guides |
| PAC | Protective Action Criteria |
| PAHO | Pan American Health Organization |
| PALS | Pediatric Advance Life Support |
| PAPR | Powered Air-Purifying Respirator |
| PDF | Portable Document Format |
| PEL | Permissible Exposure Limit |
| PFA | Psychologic First Aid |
| PIP | Peak Inspiratory Pressure |
| PPE | Personal Protective Equipment |
| PTSD | Posttraumatic Stress Disorder |
| REMM | Radiation Emergency Medical Management |
| REL | Reference Exposure Limits |
| Rx | Treatment |
| SALT |
Sort, Assess, Life Saving Interventions, Treatment and/or Transport |
| SAMHSA | Substance Abuse and Mental Health Services Administration |
| SCBA | Self-Contained Breathing Apparatus |
| SCD | Sequential Compression Devices |
| SCOEL | Scientific Committee on Occupational Exposure Limits |
| SI | Systè International d´Unité(International System of Units) |
| SNS | Strategic National Stockpile |
| SIS | Specialized Information Services |
| SOP | Standard Operating Procedures |
| SOT | Society of Toxicology |
| SRA | Society for Risk Analysis |
| START | Simple Triage And Rapid Treatment |
| TARU | Technical Advisory Response Unit |
| TBSA | Total Body Surface Area |
| TERA | Toxicology Excellence for Risk Assessment |
| TLV | Threshold Limit Value |
| TOXNET | Toxicology Data Network |
| USACHPPM | U.S. Army Center for Health Promotion and Preventive Medicine |
| UV | Ultraviolet |
| WCO | World Customs Organization |
| WEEL | Workplace Environmental Exposure Levels |
| WHO | World Health Organization |
| WISER | Wireless Information System for Emergency Responders |
| WMD | Weapons of Mass Destruction |