Home > About USPS & News > Forms & Publications > Postal Periodicals and Publications > Handbooks > Handbook AS-353 - Guide to Privacy, the Freedom of Information Act, and Records Management > 4 Freedom of Information ActProcedures > 4-5 Records Which May Be Withheld From Disclosure > 4-5.9 Exemption 9 (5 USC 552 (b)(9))—GeologicalInformation
Exemption 9 applies to geological information on wells and rarely, if ever applies to Postal Service Records.