Laboratories Capable of Conducting Pyrrhotite Testing and Examination

Date posted: September 5, 2024.

Note: Independent laboratories identified on this list were compiled from a nationwide questionnaire. This list DOES NOT signify MassDOT Approval and shall be used ONLY as a reference for Aggregate Manufacturers participating in the Aggregate Manufacturer Licensing Program.  It is the responsibility of the participating Aggregate Manufacturer to confirm the independent laboratory’s services identified in the table.  For more information, please contact MA-PYRRHOTITE@dot.state.ma.us.

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