Welcome to the ATaC/CHAS assessment process!

ATaC members are able to receive a discount when applying for a full CHAS accreditation or renewal*. A discount code is available from ATaC and an application to renew or gain accreditation can be made via this portal.

You will need to complete a CHAS Assessment and upload the required supporting documentation.

Following this CHAS will be able to access and audit your documents prior to confirming your CHAS accreditation.

ATaC, the Asbestos Testing and Consultancy Association, is the leading trade association in the UK for the asbestos testing and consulting services sector. ATaC has represented the interests of asbestos testing and consultancy specialists for over 20 years and is committed to providing the best support, representation, training, and qualifications for members.

Please ensure you use reference code ARCA01 when joining or renewing.

*Discount offer not valid for Deem To Satisfy or Site Visit applications.

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*Discount offer not valid for Deem To Satisfy or Site Visit applications.

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Join our latest webinar regarding The Common Assessment Standard: How it could benefit your business. Presented by Alex Minett, Head of Product CHAS. 11am, 30th November 2021
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Join our latest webinar regarding The Common Assessment Standard: How it could benefit your business. Presented by Alex Minett, Head of Product CHAS. 11am, 30th November 2021