1.1 This test method covers the determination of total sulfur in combustible fuel gases, when present in concentrations between 1 and 30 grains of sulfur per 100 cubic feet (25 and 700 mg/m ). It is applicable to natural gases, manufactured gases, and mixed gases, such as are distributed by gas utility companies.

1.2 The values stated in inch-pound units are to be regarded as standard.

1.3 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.