WAC 260-70-500. Definitions applicable to chapter 260-70 WAC

(1) "Interfering substance" or "interfere" means and refers to any medication which might mask or screen the presence of prohibited drugs or prevent testing procedures from detecting a prohibited drug. (2) "Post time" means the time set for the arrival of the horses at the starting point in a race as specified in writing and posted by the board of stewards.