Code of Federal Regulations (alpha)

CFR /  Title 42  /  Part 37  /  Sec. 37.91 Definitions.

Definitions provided in Sec. 37.2 will have the same meaning in this subpart. Any term defined in the Federal Mine Safety and Health Act of 1977 and not defined in Sec. 37.2 or this section will have the meaning given it in the Act. As used in this subpart:

ATS means American Thoracic Society.

ERS means European Respiratory Society.

Facility means a facility or organization licensed to provide health care by the State or Territory in which services are provided, such as a hospital, a clinic, or other provider that performs spirometry examinations.

FET means forced expiratory time, which is the time from the beginning of exhalation (the back-extrapolated ``time zero'') to the end of the expiratory maneuver.

FEV1 means forced expiratory volume in the first second, which is the volume of air that can forcibly be blown out in one second, after full inspiration.

FEV6 means forced expiratory volume in the first six seconds, which is the volume of air that can forcibly be blown out in six seconds, after full inspiration.

FVC means forced vital capacity, which is the volume of air that can forcibly be blown out after full inspiration.

PEF means peak expiratory flow, which is the maximal airflow during a forced expiratory maneuver.

Spirometry examination means a pulmonary function test that measures expiratory volume and airflow rates and may determine the presence and severity of lung function impairments, if such are present.