Arizona Revised Statutes Title 42. Taxation § 42-13355. Assessing clean rooms as personal property; definition

1. “Clean room” means all property that comprises or creates an environment where humidity, temperature, particulate matter and contamination are precisely controlled within specified parameters, without regard to whether the property is actually contained within that environment or whether any of the property is affixed to or incorporated into real property.

2. Clean rooms include the integrated systems, fixtures, piping, movable partitions, lighting and all property that is necessary or adapted to reduce contamination or to control airflow, temperature, humidity, chemical purity, or other environmental conditions or manufacturing tolerances, as well as the productions machinery and equipment operating in conjunction with the clean room environment.

3. Clean rooms do not include the building or a permanent, nonremovable component of the building that houses the clean room environment.