This article is from the Table Tennis (Ping Pong) FAQ, by ttennis@bu.edu with numerous contributions by others.
4.5.5.4.1At the trials, every athlete selected to represent the
U.S. shall be tested. In addition, an alternate U.S. team shall
undergo testing. Any other replacement for a selected athlete must
have undergone or undergo testing before being appointed to the team.
4.5.5.4.2Athletes who are tested at a trial held more than 60 days
prior to the games are subject to another testing preceding the
games.
4.5.5.4.3At occasions other than the trials, a random sampling of
athletes will be selected for testing. The pool of athletes selected
for random sampling and the method to obtain this sample shall be
determined by the E.C. at the time they initiate use of the program
for a selected event.
4.5.5.4.4At the Olympic Training Center, registrants selected for
testing will be given 24 hours' advance written notice. Sample
collection shallbe done only during training hours.
 
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