Annual Guide 2017 I SOURCE TESTING ASSOCIATION
Standards and Methods for Environmental monitoring in the UK
Dave Curtis, STA Administrator
Each year in the Annual Guide we highlight what has taken place in the world of standards development. Standard reference methods are essential for the effective measurement and control of air pollution. Such standards are developed at National, European and world-wide level. The robustness and fi tness for purpose of these standards is a function of the accumulated expertise and experience of the people who work together in committee to produce them. Where internationally- derived standards are binding on the UK, as European (CEN) standards are, it is particularly important that they should recognise UK interests and sensitivities. BSI manages the UK input to new standards via its technical committees and the UK experts that they nominate to CEN and ISO working groups.
Standards are developed in Europe by Comité European de Normalisation (CEN) and internationally by International Standardisation Organisation (ISO)
European Standards (ENs) are based on a consensus, which refl ects the economic and social interests of 33 CEN Member countries channelled through their National Standardization Organizations. Most standards are initiated by industry. Other standardization projects can come from consumers, Small and Medium-sized Enterprises (SMEs) or associations, or even European legislators.
ISO International Standards ensure that products and services are safe, reliable and of good quality. For business, they are strategic tools that reduce costs by minimizing waste and errors, and increasing productivity. They help companies to access new markets, level the playing fi eld for developing countries and facilitate free and fair global trade.
Selection of standards for emission monitoring
With the increasing requirement for the installation of continuous emission monitoring systems (CEMS) it is important that capital investment is protected and that instrumentation gives reliable, meaningful and repeatable data. Fitting EN15267 approved equipment is one element but it is extremely important that the system is verifi ed. The verifi cation process requires the use of standard reference methods to underpin the data.
Standard reference methods are essential for the effective measurement and control of air pollution. Such standards are developed at National, European and world-wide level. The robustness and fi tness for purpose of these standards is a function of the accumulated expertise and experience of the people who work together in committee to produce them.
ISO standards are accepted on a case by case principle; it is not mandatory for a member country in the European Union (EU) to adopt a standard.
CEN standards must be implemented by member states of the EU. If a confl icting standard is in existence, then this must be withdrawn.
Understanding how standards numbers work
Figure 1 shows how standards are adopted in the UK and published by British Standards Institute (BSI).
1.Should a standard be developed for example in the UK by BSI it will be prefi xed by BS e.g. BS 3841-1:1994 Determination of smoke emission from manufactured solid fuels for domestic use.
2.When a standard is developed and published by CEN it is prefi xed with EN and when introduced in the UK it will become a BS EN document e.g. BS EN 1911:2010 Stationary source emissions – Determination of mass concentration of gaseous chlorides expressed as HCl and as stated above any confl icting standard must be removed. A standard can be developed by CEN or ISO under a joint agreement and then it is published by CEN and ISO with a prefi x EN ISO and in the UK it then becomes an BS EN ISO prefi x e.g. BS EN ISO 23210:2009 Stationary source emissions – Determination of PM10/PM2.5 mass concentration in fl ue gas.
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