Stakeholder - ALS Environmental

Grant of extension to scope of UKAS accreditation for additional matrices

Grant of extension to scope of UKAS accreditation for additional matrices

ALS Environmental are pleased to inform our customers that, following an extensive validation process, we are now able to offer UKAS ISO 17025:2005 accredited results for Process and Recreational Waters.

The scope of the accreditation covers analysis for Total coliforms, E. coli, Clostridium perfringens, Enterococci and TVCs. In addition to this we are also able to offer analysis on Pure water for Pseudomonas aeruginosa, again under the UKAS ISO 17025:2005 accreditation. This accreditation allows for a wider scope of analysis with a greater proportion of analysis being spread across both the Wakefield and Coventry laboratories.

Please click here to view our Water Matrix Classification Summary

Process Water is the name given to water which is not considered drinkable. It can come from a number of different sources, and can be used at any level during industrial/manufacturing processes (e.g. cutting fluid, cooling waters, make-up water and ultra-pure water). Process water has often undergone a more extensive treatment, e.g. softening and demineralisation.

Recreational Water is used for recreational purposes (i.e. for enjoyment, amusement or pleasure) and can be split into two discrete sectors; Man-made or Natural. Man-made recreational waters include swimming pool water, spa pools, hydrotherapy pools and fountains. Natural recreational waters include saline bathing waters, fresh water, bathing water lakes and springs.

Pure Water is used as rinse water in washer-disinfectors within the healthcare environment (e.g. Endoscope water-disinfector EWD). The importance of Pseudomonas aeruginosa analysis within a healthcare setting is detailed in HTM 04-01. The accreditation for detection of Pseudomonas aeruginosa in pure water supports the drive of ALS Environmental to have a greater presence within the healthcare water testing industry.

ALS understand that UKAS ISO 17025:2005 accreditation is the minimum that customers demand for analysis of healthcare facilities. Our laboratories in Coventry and Wakefield are able to offer a broad range of UKAS accredited microbial analysis to meet HTM Guidance, as explained here.

In addition to HTM guidance ALS Environmental appreciate the influence of the Approved Code of Practice for Legionella (ACoP L8) and the supplemented Health & Safety Guidance (HSG274) parts 1, 2 & 3 on healthcare facilities. Further to Legionella, the other emerging pathogens of concern are the antibiotic resistant ESKAPES pathogens. We are proud to offer this testing at ALS Environmental.

If you would like to know more about the extensive range of analysis we can offer for your samples, please contact us or call your Customer Services Co-ordinator on 02476 421 213.

Contact Us

ALS Environmental

Torrington Avenue



T:  024 7642 1213

or :

Units 7 & 8

Hawarden Business Park

Manor Road








We had potential water quality problem due to the actions of a third party and needed samples taken as a matter of urgency. Although this was outside the strict terms of our contract with ALS they were able to provide a sampler on a Friday afternoon, get the samples taken and returned to their labs for analysis.

They backed this excellent performance up by emailing us the sample results over the weekend. All in all a great piece of customer service!

Bob Windmill, Head of Water Quality, Independent Water Networks

ALS are a really easy company to deal with their professional attitude to the range of services they provide for us is second to none. The people there listen carefully and respond very quickly to our requests , we have dealt with them for the last eight years and their customer advisors understand our business and not only their own.”

Ken Begg, Director, Aberdeen Sampling Ltd
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