Rainbow Water Services Ltd

Rainbow Water Services Ltd is an established company celebrating over 20 Years in Business based in Kent. We endeavour to deliver a hands-on can-do attitude, combined with up to date knowledge and expertise in a wide range of sectors including industrial, commercial, healthcare, educational and borehole/recovered water management. RWS can source and supply a huge range of water treatment products, equipment, servicing, spares, installation, training and consultancy.

RWS would welcome the opportunity to supply equipment, service or products to your site, our website offers a taste of products & services, however the website is not a comprehensive list, so please contact us with your enquiry

Technical Bulletin – Reporting Legionella results (UKAS)

In March 2017 UKAS issued communication to all accredited laboratories involved in Legionella testing of waters (appended). The letter set out the expectations for the reporting of results in the volume tested. The letter made specific reference to excluding the extrapolation of counts to give a result in a litre volume in cases where a smaller volume is received.

Feedback from ISO/IEC 17025 assessments since the circulation of the letter has been varied with some laboratories reluctant to implement the terms of the letter because of concern over customer expectations. Some laboratories have proposed to present the accredited test result for the volume tested alongside a disclaimed extrapolation count for a litre volume. This is not an acceptable solution as it creates an inappropriate association between the accredited result and the invalid extrapolation.

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