4.5 Removal of Samples  by WADA  4.5.1  Removal of Samples  for Analysis  or Further Analysis  Within the context of an investigation  or Laboratory  performance monitoring activity (for example, during an on -site WADA  Laboratory  assessment) , WADA , initially at its expense, may remove Sample (s) from a Laboratory  in order to conduct Further Analys is, or analysis of the Sample  if the analytical results for that Sample  have not yet been reported , for the purpose described in Code Article  6.2.