United States Civil Service Commission announces examination for biologist $5,060 to $9,600 (GS-9 to GS-14), biochemist $4,205 to $9,600 (GS-7 to GS-14), physicist $4,205 to $9,600 (GS-7 to GS-14) in field of radioisotopes for duty in Veterans Administration, announcement 441 (B).