Unknown old insulation or suspect material

This existing duct material at [location] does not look like normal new insulation. Before I disturb it, do we need safety or hazmat verification?

Print Reading, Tags & Layout 3rd Year RED

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Do not guess, hide, argue, or keep installing when verification is needed.

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9083 suspect material / hazmat red 3 unknown old insulation or suspect material this existing duct material at [location] does not look like normal new insulation. before i disturb it, do we need safety or hazmat verification? asbestos old insulation unknown material hazmat

This existing duct material at [location] does not look like normal new insulation. Before I disturb it, do we need safety or hazmat verification?