| ACGIH® |
American Conference of Governmental Industrial Hygienists |
| AOEC |
Association of Occupational and Environmental Clinics |
| BLS |
Bureau of Labor Statistics |
| BoC |
Bureau of the Census |
| CDC |
Centers for Disease Control and Prevention |
| CFR |
Code of Federal Regulations |
| CI |
confidence interval |
| CIC |
Census Industry Code |
| COC |
Census Occupation Code |
| COPD |
chronic obstructive pulmonary disease |
| CWP |
coal workers' pneumoconiosis |
| CWXSP |
Coal Workers' X-ray Surveillance Program |
| CXR |
chest x-ray |
| DFR |
Doctor's First Report |
| DHHS |
Department of Health and Human Services |
| DOL |
Department of Labor |
| DRDS |
Division of Respiratory Disease Studies |
| f/cc |
fibers per cubic centimeter |
| FEV1 |
forced expiratory volume in one second |
| GM |
geometric mean |
| HCFA |
Health Care Financing Administration |
| ICD |
International Classification of Diseases |
| ILO |
International Labour Office |
| IMIS |
Integrated Management Information System |
| LCL |
lower confidence limit |
| MQC |
minimum quantifiable concentration |
| µg/m3 |
micrograms per cubic meter |
| mg/m3 |
milligrams per cubic meter |
| MMWR |
Morbidity and Mortality Weekly Report |
| MNMD |
metal/nonmetal mine data |
| mppcf |
millions of particles per cubic foot |
| MRE |
Mining Research Establishment |
| MSHA |
Mine Safety and Health Administration |
| NCHS |
National Center for Health Statistics |
| n.e.c. |
not elsewhere classified |
| NHANES |
National Health and Nutrition Examination Survey |
| NHDS |
National Hospital Discharge Survey |
| NIOSH |
National Institute for Occupational Safety and Health |
| n.o.s. |
not otherwise specified |
| OA |
occupational asthma |
| OSHA |
Occupational Safety and Health Administration |
| PEFR |
peak expiratory flow rate |
| PEL |
permissible exposure limit |
| PHS |
Public Health Service |
| PMF |
progressive massive fibrosis |
| PMR |
proportionate mortality ratio |
| PPD |
purified protein derivative |
| REL |
NIOSH recommended exposure limit |
| RADS |
reactive airways dysfunction syndrome |
| SIC |
Standard Industrial Classification |
| SSA |
Social Security Administration |
| SENSOR |
Sentinel Event Notification Systems for Occupational Risks |
| SOP |
standard operating procedure |
| SUDAAN® |
Survey Data Analysis (software) |
| TLV® |
Threshold Limit Value |
| TWA |
time-weighted average |
| UCL |
upper confidence limit |
| WOHL |
Wisconsin Occupational Health Laboratory |
| WoRLD |
Work-Related Lung Disease |
| WRA |
work-related asthma |
| YPLL |
years of potential life lost |