Stakeholder - ALS Environmental


ALS Environmental add low-level Ammoniacal Nitrogen to MCERTS scope

ALS-ammoniacal-nitrogenALS Environmental is pleased to announce that our method for determination of Ammoniacal Nitrogen is now accredited for the analysis of Treated Sewage Effluent to ISO/IEC 17025 and the MCERTS performance standard with a reporting limit of 0.06mg/l.

Ammonia is widely used in agriculture as a fertiliser and it can enter water supplies as runoff from agricultural areas. Ammonia is toxic to fish with toxicity varying with the pH of the water; it can cause algal blooms and increase oxygen demand in the receiving water, so it is a requirement to remove Ammonia during the wastewater treatment process. During treatment, the nitrification process is commonly used to convert Ammonia into Nitrate.

Inorganic Chemistry Manager at ALS Environmental, Christopher Law, comments:

We are always reviewing our accreditation in order to ensure that we help our customers’ meet their regulatory needs. The extension of our scope to include MCERTS accreditation for low-level ammoniacal nitrogen further strengthens our analytical offering to the market.

MCERTS is the Environment Agency’s Monitoring Certification Scheme and provides formal accreditation in accordance with European and international standards. It is an Environment Agency requirement that data assessed for regulatory purposes is accredited to the MCERTS Performance Standard. To achieve MCERTS accreditation, we are required to undertake a significant validation study to ensure that the method meets the stringent performance targets of the scheme.

ALS-MCERTSAmmonia in the sample reacts with hypochlorite ions generated from the sodium dichlorocyanurate reagent to form monochloramine. This reacts with salicylate at approximately pH 10.5 in the presence of sodium nitroprusside to form a blue iodophenol type compound. The intensity of colour within samples can be evaluated by comparison with standards containing known concentrations, thus allowing the concentration within the sample to be assessed. This is measured spectrophotometrically at 660nm using a discrete autoanalyser, which significantly improves method performance over manual colour assessment as sample volumes, reagent volumes, mixing speeds, colour development time and development temperature are all controlled automatically.

The addition of low-level ammoniacal nitrogen to our MCERTS accreditation portfolio demonstrates our commitment to providing one of the highest quality services within the Environmental analysis sector.

To download our latest UKAS Schedule for our Coventry laboratory please click here.

By holding one of the broadest scopes of UKAS ISO 17025:2005 accreditation in the Environmental sector, ALS Environmental is your ideal analytical service partner.

If you have any queries about this, or any other analytical offering, please contact us or call us on 02476 421213.

Contact Us

ALS Environmental

Torrington Avenue

Coventry

CV4 9GU

T:  024 7642 1213

or :

Units 7 & 8

Hawarden Business Park

Manor Road

Hawarden

Flintshire

CH5 3US

....................................................

E: info.ukenviro@alsglobal.com

www.alsenvironmental.co.uk


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Testimonials


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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