THE RUDOLF REPORT

9. CONCLUSIONSbeen found in similar quantities, coloring the walls blue, as they canbe found in the disinfestation wings of building 5a/b. Since no significantquantities of cyanide were found in the alleged homicidal‘gas chamber’, one must conclude that these installations were exposedto similar conditions as the above mentioned other installations(hot air disinfestation, inmate barracks, washroom of crematoriumI), i.e., that they most likely were never exposed to any hydrogencyanide.Final ConclusionsA. On chemistryA: The investigation of the formation and stability of cyanidetraces in masonry of the indicated structures as well as interpretation ofthe analytic results of samples of building material from these structuresin Auschwitz show:1. Cyanide reacting in masonry to produce Iron Blue is stable overperiods of many centuries. It disintegrates on the same time scaleas the masonry itself. Therefore, traces of cyanide should be detectabletoday in almost undiminished concentrations, regardlessof the effects of weather. The outer walls of the delousing chambersBW 5a/b in Birkenau, which are deep blue and contain highconcentrations of cyanide, are evidence of this.2. Under the physically possible conditions of the mass-gassing ofhumans with hydrogen cyanide, traces of cyanide must be foundin the same range of concentration in the rooms in question as theyare found in the disinfestation structures, and the resulting bluediscoloration of the walls should likewise be present.3. In the walls of the supposed ‘gas chambers’ the concentrations ofcyanide remnants are no higher than in any other building taken atrandom.Conclusion to A:On physical-chemical grounds, the mass gassings with hydrogencyanide (Zyklon B) in the supposed ‘gas chambers’ of Auschwitzclaimed by witnesses did not take place.289