Official 1988 C-14 report notes heterogeneity
Even in the official 1988 C-14 Nature report there is evidence the samples were not homogeneous. They identified cotton found on the shroud. Oxford thank P. H. South (Precision Process (Textiles) Ltd, Derby) for examining and identifying the cotton found on the shroud sample https://www.shroud.com/nature.htm They said pretreatment cleaning would be wasteful. The only thing …