This file may not be suitable for users of assistive technology.
Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email email@example.com. Please tell us what format you need. It will help us if you say what assistive technology you use.
To help plan future activities, the national reference laboratory (NRL) for food microbiology carried out an audit of OCLs in the UK, covering accreditation status, numbers of food examiners employed, tests available and membership of proficiency test (PT) schemes.