Spirometry test 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.
42 CFR § 37.91
Definitions provided in 37.2 will have the same meaning in this subpart. Any term defined in the Federal Mine Safety and Health Act of 1977 (Pub. L. 95-164, as amended) and not defined in 37.2 or this section will have the meaning given it in the Act. As used in this subpart: