Pulmonary Function Standards for Cotton Dust Standard
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Appendix D to § 1910.1043 - Pulmonary Function Standards for Cotton Dust Standard
The spirometric measurements of pulmonary function shall conform to the following minimum standards, and these standards are not intended to preclude additional testing or alternate methods which can be determined to be superior.
I. Apparatus
a. The instrument shall be accurate to within ±50 milliliters or within ±3 percent of reading, whichever is greater.
