United States Civil Service Commission announces examination for biologist, $5,440 to $10,320 (GS-9 to GS-14), Biochemist, $5,335 to $11,395 (GS-7 to GS-14), physicist, $5,335 to $11,395 (GS-7 to GS-14) in field of radioisotopes for duty in Veterans Administration, announcement 159B.