Working Group Laboratories

The Laboratories group deals with issues surrounding testing, safety and quality that relate to the accurate analysis of the fluids, soils, gases and materials found in the ground.

Strategic Plan

To provide a focus for promoting best practice. To facilitate a group approach to identifying and resolving issues faced by laboratories. To be a forum for formulating unified industry responses to proposed changes in legislation and standards.

To encourage and assist Members to provide high quality, appropriate and reliable testing services.

Permanent objectives

  1. Provide a forum for discussion of commercial issues.
  2. Provide a forum for discussion of issues affecting the testing sector of the ground industry (eg Health and Safety accreditation training
  3. Facilitate co-ordination of industry views and comments on new legislation, regulations and standards. (eg current work in CEN/TC 341)
  4. Support external accreditation.

AGS Laboratories WG – Terms of Reference


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AGS Annual Conference 2024

Registration for this event has now closed.    The AGS Annual Conference 2024 will be taking place on Thursday 25th April at…

Annual Conference 2023

The AGS Annual Conference took place on Thursday 27th April 2023 at the Barbican Centre in London. This full day, networking event saw…

The New Yellow Book – UK Specification for Ground Investigation

The UK Specification for ground investigation (the Yellow Book) has been revised by an industry working group led by the AGS and…

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[WEBINAR REPLAY] The Development of a Degree Apprenticeship in Geoscience

This free webinar from the Association of Geotechnical and Geoenvironmental Specialists will focus on the topic; The Development of a Degree Apprenticeship…

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[Webinar Bundle] Sustainability in the Delivery of Brownfield Regeneration

We’re pleased to announce the launch of a two-part webinar series on the subject of brownfield regeneration. The successful delivery of societal…

Price: £54.00
AGS Member: £48.00
Data Format WG: £0.00
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[WEBINAR REPLAY] Sustainability in the Delivery of Brownfield Regeneration: Sustainable Management of Soils

We’re pleased to announce details on the final webinar in this two part series on brownfield regeneration. The successful delivery of societal…

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AGS Member: £30.00
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AGS Awards 2024

We’re delighted to announce this year’s AGS Award winners! Chosen from a select number of AGS Working Group Members, these winners were…

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Calibration of Whatman Grade 42 filter paper for soil suction measurements

Abstract The correlation between the water content of filter-paper disks and the porewater suction in soil samples is used to determine soil…

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Early Career Professionals: Call for Posters

The AGS is holding a sustainability-themed poster competition at this year’s Annual Conference, and we’d like to see how Early Career Professionals…

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Use of chemical preservation – the importance of quality in sampling and analysis

Geraint Williams, ALS Laboratories and Tim Rolfe, YES Engineering, both members of the AGS Contaminated Working Group, discuss how representative samples should…

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Coal Tar: Analysis and Detection

The analysis of and detection of coal tar has seen a significant increase in the last few years. This is linked, primarily,…

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Instrument Supplier Issues

From 2019 it has been a common topic of discussion amongst lab folk to bemoan the current situation with regard to the…


Alun Walters UKAS
Bhavika Ramrakhyani Costain Limited
Billy O’Hara BAM Ritchies
Claire Stone I2 Analytical Limited
Clare Llowarch Element Materials Technology Environmental UK Limited
David Entwisle British Geological Survey
David McGiff Terra Tek Limited (t/a Igne)
David Trowbridge South West Geotechnical Limited
Dimitris Xirouchakis Structural Soils Ltd
Emma Breakspear Geotechnical Engineering Ltd
Eoin Byrne ACS Testing
AGS Contaminated Land WG Leader Geraint Williams ALS Laboratories (UK) Limited
Ian Nicholson Fugro Limited
Jack Ross BAM Ritchies
John Masters Geolabs Ltd
John Powell Geolabs Ltd
AGS Laboratories WG Acting Leader Ken Scally Derwentside Environmental Testing Services Ltd
Kevin Walker Soil Engineering
Liam McGahon SOCOTEC
Lynn Griffin Concept Engineering Consultants Ltd
Martyn Bumstead Norfolk Partnership Laboratory
Michael Smith Specialist member
Mike Varley The Environmental Laboratory
Paul Cathcart Ian Farmer Associates
Paul Walker SOCOTEC
Robert Brown Eurofins Chemtest Ltd
Robert Monk Suez
Terry Stafford I2 Analytical Limited
Timon Greenwood Southern Testing Laboratories
Wendy Jones Geotechnical Engineering Ltd
Will Fardon Chemtech Environmental