Accreditations
Analytical services
From our extensively equipped UKAS and MCERTS accredited laboratories we produce accurate and reliable results using the latest analytical equipment and best practice techniques, as published by CEN, ISO, BSI and USEPA. View our UKAS accreditation.
MCERTS Stack Monitoring
Air samples are taken from stacks by our team of MCERTS accredited stack emissions monitoring consultants and can then be analysed at our own UKAS accredited laboratories across the country. View our UKAS accreditation
Acoustics, Vibration and Air Quality
NWSS has noise consultants who are members of the Institute of Acoustics and are registered by the Association of Noise Consultants (ANC) to undertake UKAS accredited sound insulation testing. View our ANC details.
Legionella Control
NWSS have been members of the Legionella Control Association from its conception. The water systems safety team provide practical solutions in all aspects of legionella control and associated legislation (risk assessing, water sampling, monitoring and maintenance regimes and cleaning and disinfection techniques. View our details.
In addition to the above accreditation we are also registered suppliers on:

