1.1 This test method covers a method of collecting and analyzing samples to determine the amount of ethylene oxide (ETO) present in workplace atmospheres.

1.2 This test method can be used to provide a time-weighted average (TWA) over the concentration range from 0.2 to 30 ppm.

1.3 This test method can be used to determine 15-min excursions (STEL) ranging from 10 to 500 ppm.

1.4 The values stated in SI units are to be regarded as the standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See Section 9 for specific safety hazards.