Advancing the science and practice of emission monitoring
Supporting regulators, process operators, equipment suppliers and technical specialists across the emission monitoring community.
Save the Date: STA General Meeting & AGM – 15 July 2027
Please save the date for the STA General Meeting and AGM, taking place on Thursday 15 July 2027 at the Broadway Hotel, Letchworth. This flagship annual event will bring together regulators, process operators, equipment suppliers and technical specialists for a full day of updates, discussion and industry insight.
The programme will include regulatory briefings, Health & Safety updates, CEN/ISO feedback and dedicated sessions for process operators, equipment suppliers and training providers.
A morning and lunchtime mini-exhibition will run throughout the day, with eight tabletop spaces available for organisations wishing to showcase their products and services.
Networking Dinner – 14 July: a relaxed three-course networking dinner will take place on Wednesday 14 July, priced at £47 per person. Spaces are limited.
Registration opening soon. Formal registration will open shortly, with a booking deadline of Friday 3 July 2027.
The 30th Anniversary of the Source Testing Association: A Journey of Excellence in Emission Monitoring
The Source Testing Association (STA) is celebrating three decades of leadership and dedication in the field of emission monitoring. Founded in 1995, the STA has been instrumental in driving progress, setting industry benchmarks and advancing the professional development of its members.
Over the past 30 years, the STA has significantly contributed to refining and establishing industry standards that have improved the accuracy, reliability and safety of emission monitoring practices.
The STA has also cultivated a strong community of professionals and experts, encouraging shared knowledge, collaboration, technological advancement and practical solutions across the industry.
Task Groups & Meetings
The Source Testing Association (STA) and its members have significantly influenced emission monitoring practices in the UK and worldwide, led by the work of STA task groups. Established in 1996, the Health and Safety Task Group is STA’s longest-running group, closely followed by the Quality and Technical Task Group.
New task groups have been added over the years, including those for Process Operators, Equipment Suppliers, Low Particulate Monitoring (LPM), 14181 standards, and Carbon Capture and Biogenic concerns. Each task group works to identify and address industry challenges, with contributions from members across all sectors and regulators from England, Wales, Scotland, Northern Ireland and Ireland.
Annual Guide
Each year the STA produces the STA Annual Guide. The guide is published every November and circulated to 15,000 readers. Along with technical articles and a directory of published standards relating to emission monitoring, the guide includes a directory of STA members highlighting the areas in which they work, presented in easy-to-use tables.
Yellow Book
There are many hazards associated with carrying out a stack-emissions test in process industry. The basic principles of good health and safety practice must be applied. The STA is committed to providing best-practice advice and guidance to its members, their clients and industry in general.