NOTE 1 For the purposes of this document, reference is made to “nanoscale particles”, which means all nano-objects having one (nanoplate), two (nanofibre) or three (nanoparticle) dimensions in the nanoscale.
NOTE 2 As a consequence, the specifications for monitoring air cleanliness by nanoscale particle concentration of the cleanroom in operational state also considers process specifics, e.g., used equipment, personnel behaviour, etc.
NOTE 3 Health and safety considerations are excluded from this document.
BSI recommends this version of standard for organisations operating in or with the UK. The ISO edition is available here if required.