The possible identification of the manufacturer and specific fabricating equipment used to form the object can be determined. Identification of the source of the object if an unusual metal or alloy is involved can be determined. Objects With Questioned Internal Components X-ray radiography can nondestructively reveal the interior construction and the presence or absence of defects, cavities, or foreign materials. Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence . Different metals and alloys require specific methods of restoration.
Objects can be too large or heavy to submit.
Call the Laboratory for specific instructions. Submit information about environmental conditions when the metal was recovered.