NAT laboratory archive storage and services.

ation Tube 13x100 mm) for each donation that is issued for use, the archive samples are retained frozen for a period of 10 years. Archive samples are initially stored in on-site freezers at the National Blood Centre (NBC) before being transferred to long term off-site storage. Archive samples are st

ored frozen at -30oC (range -20oC to - 40oC). To ensure that the samples remain suitable for further testing if required this storage temperature must be maintained at all stages of handling of archive samples, from transport to the off-sit