AbbreviationAbbreviation Meaning
ACGIH® American Conference of Governmental Industrial Hygienists
AOEC Association of Occupational and Environmental Clinics
BEI Biological Exposure Index
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
cm centimeter
COC Census Occupation Code
COPD Chronic obstructive pulmonary disease
CWP Coal workers' pneumoconiosis
CWXSP Coal Workers' X-ray Surveillance Program
CWHSP Coal Workers' Health 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
ECWHSP Enhanced Coal Workers' Health Surveillance Program
f/cc fibers per cubic centimeter
FIPS Federal Information Processing Standards
FEV1 Forced expiratory volume in one second
GM Geometric mean
HCFA Health Care Financing Administration
ICD International Classification of Diseases
ID Identification number
ILO International Labor Office
IMIS Integrated Management Information System
LCL Lower confidence limit
LIMS Laboratory Information Management System
MQC Minimum quantifiable concentration
µm micrometer
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
NAICS North American Industry Classification
NCHS National Center for Health Statistics
n.e.c. not elsewhere classified
NHANES National Health and Nutrition Examination Survey
NHDS National Hospital Discharge Survey
NHIS National Health Interview Survey
NIOSH National Institute for Occupational Safety and Health
NORA National Occupational Research Agenda
NORMS National Occupational Respiratory Mortality System
n.o.s. not otherwise specified
OA Occupational asthma
OIS OSHA Information System
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
PVC Polyvinyl chloride
REL Recommended exposure limit (NIOSH)
RADS Reactive airways dysfunction syndrome
RHD Respiratory Health Division
SIC Standard Industrial Classification
SSA Social Security Administration
SENSOR Sentinel Event Notification Systems for Occupational Risks
SLCTC Salt Lake City Technical Center
SOP Standard operating procedure
TLV® Threshold Limit Value
TWA Time-weighted average
UCL Upper confidence limit
WOHL Wisconsin Occupational Health Laboratory
eWoRLD Work-Related Lung Disease Surveillance System
WoRLD Work-Related Lung Disease
WRA Work-related asthma
YPLL Years of potential life lost