Established since 1953, BOHS's aim is simple: to help to reduce work-related ill-health. We do this by promoting public and professional awareness, good practice and standards, and by researching and advancing education in the science of occupational health and hygiene.
http://www.bohs.org
The United Kingdom Accreditation Service.
The United Kingdom Accreditation Service is the sole national accreditation body recognised by government to assess, against internationally agreed standards, organisations that provide certification, testing, inspection and calibration services.
http://www.ukas.com