The DCO  and/or the BCO  have the responsibility for:  a) Collecting the dried blood spot Sample;  b) Ensuring that each Sample  is properly identified and sealed;  c) Answering relevant questions during the provision of the Sample;  d) Properly disposing of dried blood spot sampling equipment that is opened but not used, or used pieces of equipment not sealed with the absorbent Sample support; and e) Properly  storing and disp atching each Sample.