BS EN ISO 14644-2:2015

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Creating, implementing and maintaining a
  monitoring plan
5 Periodic classification of air cleanliness by
  particle concentration
Annex A (informative) - Matters to consider when
        developing a monitoring plan
Annex B (informative) - Considerations for setting
        alert and action levels
Bibliography
National Annex NA (informative) - Guidance on maximum
                  time intervals for periodic testing of
                  cleanrooms and clean zones

Provides requirements for a monitoring plan for cleanroom or clean zone performance related to air cleanliness by particle concentration, based upon parameters that measure or affect airborne particle concentration.

This part of ISO14644 specifies minimum requirements for a monitoring plan for cleanroom or clean zone performance related to air cleanliness by particle concentration, based upon parameters that measure or affect airborne particle concentration.

This part of ISO14644 does not address condition monitoring of aspects such as vibration or general maintenance of the engineering systems. It does not provide for monitoring of particle populations that are outside the specified lower threshold particle-size range, 0,1µm to 5µm. Concentrations of ultrafine particles (particles smaller than 0,1µm) will be addressed in a separate standard.