| ACGIH | American Conference of Governmental Industrial Hygienists |
| BS | British smoke |
| CBD | Chronic beryllium disease |
| CCEP | Comprehensive Clinical Evaluation Program |
| CHPPM | US Army Center for Health Promotion and Preventive Medicine |
| COPD | Chronic obstructive pulmonary disease |
| EPA | Environmental Protection Agency |
| IARC | International Agency for Research on Cancer |
| MRL | Minimum risk levels |
| NAAQS | National Ambient Air Quality Standard |
| NASA | National Aeronautics and Space Administration |
| NIOSH | National Institute of Occupational Safety and Health |
| NOAA | National Oceanic and Atmospheric Administration |
| OSHA | Occupational Safety and Health Administration |
| PAH | Polycyclic aromatic hydrocarbons |
| PBL | Planetary boundary layer |
| PEL | Permissible exposure limit |
| PTSD | Post traumatic stress disorder |
| RBC | Red blood count |
| RR | Relative risk |
| TLV | Threshold limit value |
| TSP | Total suspended particulates |
| TWA | Time-weighted average |
| USAEHA | U.S. Army Environmental Hygiene Agency |
| VOC | Volatile organic compounds |