10280 Separation of Officers of the Public Health Service on Grounds of Disloyalty Signed: August 16, 1951 Federal Register page and date: 16 FR 8227, August 18, 1951 Amends: EO 9993, August 31, 1949 Amended by: EO 10497, October 27, 1953 Revoked by: EO 11140, January 30, 1964