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ASTM E2042/E2042M-09

Current Revision

Standard Practice for Cleaning and Maintaining Controlled Areas and Clean Rooms

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1.1 This practice covers the procedures to be followed for the initial cleaning and normal maintenance of cleanrooms and controlled areas. This practice is applicable to aerospace clean areas where both particles and molecular films (NVR) must be controlled.

1.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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.

This practice identifies methods for cleaning and maintaining controlled areas and clean rooms as defined by ISO 14644-1 and ISO 14644-2. Cleaning procedures are described, and cleaning frequency for different classes of facility are given. Compliance with this practice will make it easier and more likely that the required level of facility cleanliness will be maintained. A cleaner facility also will help to protect flight hardware from contamination and should reduce the frequency for cleaning flight hardware. This practice does not discuss operation and operational procedures for cleanrooms and controlled areas. Other documents such as IEST-RP-CC026 and Practice E 2352 provide recommended practices for operating cleanrooms and controlled areas.

SDO ASTM: ASTM International
Document Number E2042
Publication Date April 1, 2009
Language en - English
Page Count 9
Revision Level 09
Supercedes
Committee E21.05
Publish Date Document Id Type View
April 1, 2009 E2042_E2042M-09 Revision
Sept. 1, 2021 E2042_E2042M-09R21 Reaffirmation
Oct. 1, 2016 E2042_E2042M-09R16 Reaffirmation