March 17, 2025

PUBLIC ADVISORY

The Mines and Geosciences Bureau (MGB) informs the general public that the Official Report of Metallurgical Tests and the Report of Analysis issued by the Metallurgical Technology Division are authenticated documents and must meet the following security features to be considered valid:

1 . Official MGB Letterhead — The report is printed on official MGB stationery.

2. Watermarked Paper — The paper used contains a watermark featuring the official MGB logo.
3. Unique Barcode — Each report is assigned a unique barcode for verification.
4. Authorized Signatures — The document must bear all required signatures from authorized personnel.
5. Dry Seal — An official dry seal must be affixed to authenticate the report.

The public is advised to verify these security features to ensure the authenticity of the document. For any concerns or verification requests, please contact the Metallurgical Technology Division of the MGB at trunkline +632-8667-6700, local 110 or 107.

Thank you.

Attachments:

File
Official Report of Metallurgical Tests and the Report of Analysis