Expert Radiological Characterisation

Providing expert clarity for assured decision making 

For over 25 years, Matom’s specialist teams have transformed complex radiological data into clear actionable insights, enabling confident, compliant and informed decision making across a wide range of sectors.

Without precise characterisation, compliance and safety are at risk. 

Effective planning and accurate radiological characterisation is essential for maintaining regulatory compliance and ensuring the protection of people and the environment.

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  • Uncertainty over the presence, type and extent of radiological contamination can compromise safety, hinder project planning and increase regulatory risk. 

  • Encountering unexpected contamination or anomalies can quickly halt progress, with many organisations struggling to source the right technical guidance at short notice to get projects safely back on track. 

  • Characterisation in high-risk or legacy environments presents unique challenges that demand experienced personnel. Limited access to specialist expertise can lead to project delays or over reliance on non-specialist staff, increasing operational risk.

  • From survey planning to sampling and analysis, each stage of characterisation requires specialist expertise. Gaps in personnel can lead to project inefficiencies, inaccurate decision making, noncompliance and safety risks. Matom provides trusted, experienced specialists delivering complete radiological characterisation solutions. From survey design to waste assessment, our experts ensure precise, compliant, and safe outcomes. Backed by over 25 years of hands-on experience, we offer flexible, end-to-end support to keep your project efficient, informed, and confidently on track.

A person dressed in protective yellow hazmat suit working inside a room with a yellowish tint, seen through a window or glass partition.
A person wearing a white glove holding a radiation detector device, which displays a reading of 1.11 μSv/h against a yellow and black radiation warning sign background.

Comprehensive, expert led Characterisation.

Expert Workforce

Our experienced workforce can support every stage of the characterisation process from planning and survey design to sampling, analysis, and waste assessment. With multi-sector expertise, we deliver accurate, safe, and compliant characterisation across soil, groundwater, buildings, and materials, even in high-risk or legacy sites.

Expert Analysis you can Trust

Using advanced equipment our specialists interpret survey results to identify contamination patterns, assess risks, and advise on remediation and waste management. With decades of experience, we translate complex data into practical, regulatory-compliant recommendations that keep projects safe and on track.

Clear Reporting and Regulatory Confidence

Our experienced teams deliver actionable insights, clear findings and practical recommendations. From visual contamination maps and method statements to ongoing monitoring and accredited lab analysis, we ensure efficient, safe, and fully compliant outcomes for confident decision-making.

Proven Approach to Characterisation

  • Two business professionals, a woman and a man, sit at a desk looking at a laptop, discussing work in a modern office.

    1. Assess

    Our specialists review historical site data, previous surveys, and project aims to identify contamination and potential risks. We determine the required expertise, resources, and methodologies to establish a robust, compliant radiological profile, forming the foundation for safe and effective project planning.


  • A person in a white glove holding a radiation detection device in front of a black and yellow radioactive hazard sign.

    2. Plan

    Collaborating with your team, we create a tailored characterisation strategy covering survey design, sampling approaches, monitoring, and waste management. Plans integrate regulatory guidance, operational constraints, and site-specific considerations, ensuring all activities are safe, efficient, and aligned with compliance and project objectives.

  • Workers in white protective suits and helmets working on equipment inside a plant room.

    3. Implement

    Our experienced workforce executes the strategy from on-site sampling and analysis to lab testing and waste assessment. Using specialist equipment and proven methodologies, we deliver accurate results, actionable insights, and maintain regulatory compliance, operational safety, and project efficiency throughout all stages.

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Comprehensive, Expert Led Characterisation:

When you work with our characterisation team, you get:

  • Expert Technical Capability: Advanced radiological survey methods, multi-isotope analysis, and specialist monitoring for complex projects.

  • Experienced Workforce: Qualified personnel capable of handling every stage of characterisation, from planning to waste management.

  • Multi-Sector Knowledge: Decades of experience across nuclear, legacy, industrial, and environmental projects.

  • Robust Safety Assurance: Expert risk analysis and evaluation to ensure safe working practice. 

  • Regulatory Compliance: Clear reporting, method statements, and submission support ensuring full adherence to IRR17 and other authority standards.

  • Actionable Insights: Translating complex data into practical recommendations for confident remediation, decision-making, and project efficiency.

  • Flexible and Scalable Support: Fully embedded teams, drop-in specialists, or hybrid solutions tailored to your project’s needs.

A person wearing a glove holding a radiation survey meter in front of a radioactive warning sign.
A man in a suit smiling and talking to another person, who is wearing a high-visibility vest, in what appears to be an indoor public or industrial space.

Why Choose Matom for Radiological Characterisation?

  • A man with gray hair and a light beard, wearing a white lab coat, is talking to a woman with brown hair. They appear to be in a professional or industrial setting.

    Proven Expertise and Leadership You Can Trust

    With 35+ years delivering radiological characterisation across complex projects, our track record speaks for itself. When you choose Matom, you’re choosing reliability and results.

  • A handheld radiation detector displaying a reading of 1.11 microsieverts per hour in a laboratory setting, with a person wearing a glove holding it and a radioactive warning sign blurred in the background.

    Advanced Technology That Delivers Clarity

    We use state-of-the-art detection and analysis equipment operated by experienced specialists. The result? Defensible data you can act on with confidence.

  • A RPA in a white protective suit and yellow safety helmet standing in an industrial oil refinery area with tall pipes and yellow safety railings.

    Regulatory Excellence That Stands Up

    We know what regulators expect, and how to deliver it. Our proven success in compliance submissions and authority approvals ensures your projects move forward without costly setbacks.

  • Two male engineers in safety vests and helmets at an industrial site, one holding a tablet and pointing towards equipment in the background.

    Complete Service with Innovative Solutions

    From planning to reporting, we provide end-to-end radiological characterisation with advanced techniques tailored to your challenges. One partner, complete solutions.

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For characterisation tasks requiring low-dust, precision surface preparation, we are the UK Distributor for Sponge-Jet technology.

Learn more at Matom SpongeTech

Matom SpongeTech Website

 FAQs

  • Radiological characterisation identifies contamination across facilities, buildings, soil, groundwater, and materials. It informs safe, accurate, and compliant decisions throughout the lifecycle, from design and operation to maintenance, decontamination, and waste management across multiple sectors.

  • Yes. Matom have a proven track record of supporting companies at the highest level to find solutions and keep projects on track. Our highly experienced professionals are confident in finding solutions from the outset, transitioning into a range of challenges, and can get up to speed efficiently and effectively when you need it most.

  • Yes. Our experienced workforce has extensive expertise in high-risk and legacy environments, including nuclear, military, and industrial sites. We use specialist monitoring technology, advanced detection methods, and accredited lab support to ensure safe, accurate, and fully compliant characterisation, even in the most challenging environments. 

  • Yes. Matom supports every stage of your radiological characterisation project, from initial planning and survey design, through sampling, analysis, and data interpretation, to waste assessment, remediation planning, and regulatory reporting. Our experienced workforce ensures seamless execution, safe operations, and compliance at every stage, adapting to project needs and site-specific challenges.

  • Absolutely. Whether you’re halfway through a project or nearing completion, Matom can supply suitably qualified and experienced (SQEP) individuals to ensure your projects continued success. All our staff are highly experienced and have worked on a wide range of projects, so are able to get up to speed efficiently and effectively when you need it most.   

Don’t put your projects safety and compliance at risk

With over 25 years of experience, Matom provides a highly skilled and adaptable workforce capable of supporting every stage of radiological characterisation. Combining technical expertise, advanced detection methods, and multi-sector experience, our team delivers accurate, safe, and compliant outcomes. From planning and survey design to sampling, analysis, and waste assessment, we provide actionable insights and full lifecycle support to ensure your project is efficient and successful.

Contact us today to discuss how we can support you.

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