Source Testing Association

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Water Monitoring Assocation is a division of the STA


The Source Testing Association (STA) is a non-profit making technical trade association which was established in 1995 and has a corporate membership of over 200 companies from process operators, regulators, equipment suppliers and test laboratories.

The STA is committed to the advancement of the science and practice of emission monitoring and to develop and maintain a high quality of service to customers.

Aims and objectives:

  • contribute to the development of industry standards, codes, safety procedures and operating principles;

  • encourage the personal and professional development of practicing source testers and students;

  • maintain a body of current sampling knowledge;

  • assist in maintenance of a high level of ethical conduct;

  • seek co-operative endeavours with other professional organisations, institutions and regulatory bodies, nationally and internationally, that are engaged in source emissions testing.

The Associations headquarters are based in Hitchin, Hertfordshire with meeting rooms, library and administration offices.

The Association offers a package of benefits to its members which include:

Various task groups have been set up to address technical issues that arise from the members. Every two years the membership elects the board of directors who act as Chairman for the various task groups. The groups, which meet at regular intervals, include;

Stack Emission Monitoring (Quality and Technical)

Chairman           Huw Williams Anchem (Quality)/ John Green PB Power (Technical)

Process Operators Task Group

Chairman           David Graham EON UK

Health and Safety Task Group

Chairman           Mark Elliott NWSS

Equipment Suppliers Task Group

Chairman           William Averdieck PCME

EN14181 Task Group

Chairman           William Averdieck PCME

Stack Testing Task Group

Chairman           John Hawkins Alcontrol

Small Business Task Group

Chairman           Roger Brown OES

The current Chairman of the Source Testing Association is Ray Pullen, Envirocare

Contact details


Unit 11 Theobald Business Centre,
Knowl Piece,
Wilbury Way,
Herts SG4 0TY


+44(0) 1462 457535


+44(0) 1462 457157


General enquiries:


Technical support:




Last modified: May 5, 2011

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