Stakeholder - ALS Environmental

DWTS accredited Mepiquat Chloride analysis now available


ALS Environmental are proud to announce that we now hold UKAS 17025 and Drinking Water Testing Standards (DWTS) accreditation for Mepiquat Chloride on Drinking, Surface and Ground water samples.

This will form part of our WPC51 Quats methodology which is also fully UKAS 17025 and DWTS accredited and processed at our Drinking Water ‘Centre of Excellence’ in Wakefield, Yorkshire. 

The full range of Quats parameters are now available for this method and our new reporting limits are as follows:


Current Reporting Limit

New Reporting Limit


0.004 ug/l

0.003 ug/l


0.004 ug/l

0.004 ug/l


0.002 ug/l

0.003 ug/l



0.003 ug/l

Upon UKAS and DTWS accreditation being awarded on Mepiquat Chloride, Lauren Ellis, Operations Manager at Wakefield Comments:

It is a great achievement to be able to provide quality assured, highly accredited reliable data. This expansion to our accreditation portfolio further demonstrates our position of being one of the biggest commercial drinking water laboratories in Great Britain and Ireland.

For further information on this, to Request A Quote, or any other enquiry please Contact Us or call your Customer Service 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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