This Standard sets out a recommended method for determining the recovery time(s) after contamination of a cleanroom.

NOTE: This test method is not mandatory for laminar flow and non-laminar flow cleanrooms in accordance with AS 1386.2, AS 1386.3, and AS 1386.4. Therefore, deviations from the test method or a different test method for the determination of recovery times are acceptable subject to agreement by the user of the cleanroom.