“…Its use for disinfection of anaesthetic equipment has been described by Haselhuhn, Wells Brason and Borick (1967) and Meeks, Pembleton and Hench (1967). In both of these studies, contamination was Many of the studies on anaesthetic apparatus reported in the literature have relied on bacteriological swabbing to detect contamination, although a broth sampling method similar to that reported here was used by Jenkins andEdgar (1964), Stratford, Clark andDixson (1964), and Barrow and Meynell (1966). In the present study, swabbing alone would appear to have been ineffective in detecting contamination in a large number of cases.…”