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Work-Related Lung Disease (WoRLD) Surveillance System

Home > Abbreviations


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


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Page last modified: June 23, 2008
Page last reviewed: June 23, 2008
Content Source: National Institute for Occupational Safety and Health (NIOSH)