Emissions Monitoring Accreditation Scope

Alkali environmental has an expanding UKAS & MCERTS schedule of accreditation, which includes the most common tests specified in permits and authorisations issued by regulatory authorities.edit it.

Our current UKAS MCERTS accreditation schedule is available on the UKAS website in PDF format.

The full list of our accredited test methods:

Ammonia (NH₃)	EN ISO 21877:2019
Carbon Dioxide (CO₂)	PD CEN/TS 17405:2020
Carbon Monoxide (CO)	BS EN 15058:2017
Cyanides (as HCN)	US EPA OTM29:2011
Dioxins	BS EN 1948:2006
Fluorides (as HF)	PD CEN/TS 17340:2020
Halogens and Halides (Br₂, Cl₂, HBr)	US EPA M26/M26a
Hydrogen Sulphide (H₂S)	US EPA M11
Isocyanates (as NCO)	US EPA CTM036
Mercury	BS EN 13211:2001
Nitric Oxide (NO)	BS EN 14792:2017
Nitrogen Dioxide (NO₂)	BS EN 14792:2017
Odour	BS EN 13725:2003
Oxides of Nitrogen (NOₓ)	BS EN 14792:2017
Oxygen (O₂)	BS EN 14789:2017
Polycyclic Aromatic Hydrocarbons	BS ISO 11338-1:2003
Pressure, Temperature and Velocity	BS EN ISO 16911-1:2013
Speciated VOC	CEN/TS 13649:2014
Sulphur Dioxide (SO₂)	BS EN 14791:2017
Total Chlorides (as HCl)	BS EN 1911:2010
Total Particulate Matter	BS EN 13284-1:2017
Total VOC	BS EN 12619:2013
Water Vapour (H₂O)	BS EN 14790:2017

The stack emissions test methods are UKAS and MCERTS accredited when performed at customer sites. Subsequent analysis of captured samples is carried out in house for gravimetric samples and at UKAS accredited laboratories for other determinands.