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