1.1 This practice describes the equipment and operation of the tetrapod Walker for testing pile floor coverings with a thickness of 20 mm (0.8 in.) or less.

1.2 This practice is only applicable to unused pile floor covering of all types which are tested under standard textile conditions.

1.3 This practice may be used by mutual agreement between purchaser and supplier to set purchasing specifications.

1.4 The values stated in inch-pound units are to be regarded as the standard for all measurements except mass. The SI (metric) values for all measurements except mass are provided for information purposes only.

1.5 This practice does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this practice to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.