199.109—Review of drug testing results.

[53 FR 47096, Nov. 21, 1988, as amended by Amdt. 199-2, 54 FR 51850, Dec. 18, 1989; Amdt. 199-15, 63 FR 13000, Mar. 17, 1998; Amdt. 199-15, 63 FR 36863, July 8, 1998. Redesignated and amended by Amdt. 199-19, 66 FR 47118, Sept. 11, 2001]