I.4.4 Within the framework of the BSS, the following table can be used by the DCO/BCO to estimate the maximal transport time to a Laboratory or ABP Laboratory , called the Collection to Reception Time (CRT), for a given average temperature (T), e.g., if shipped at 4°C, the maximal CRT is 60  h.:  T [°C]  CRT [h]  15 27 12 36 10 42 9 45 8 48 7 51 6 54 5 57 4 60         ABP Operating Guidelines  – Version 9.0 – July 2023  Page 24/91 I.4.5 The DCO/BCO  shall as soon as possible transport  the Sample  to a Laboratory  or ABP Laboratory .