The ASTM International Directory of Testing Laboratories is an on-line full text search for services and locations of testing laboratories. The information on the types of tests performed, specific tests performed, materials analyzed, or other services offered has been provided by the laboratories. ASTM has not attempted to investigate, rate, endorse, approve or certify any laboratory. Each laboratory has paid ASTM a fee for their listing.

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If you would like to list your laboratory or have any questions or comments, please contact Jill Walters at jwalters@astm.org.