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The gold standard for laboratory accreditation in the construction industry

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New Laboratory Registration


If you have not registered, please complete the Request Laboratory Registration form. You will then be contacted with an Access Code and Passkey required to register your laboratory for online access to the AASHTO re:source website.  Please contact us at 240-436-4900 if you encounter any issues during this process.

To register your laboratory, enter the Access Code and Passkey that you received from AASHTO re:source.

Access Code:

Passkey:




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