Where the detectable growth
criteria were not met, i.e. no TTD was recorded by the software
within the timeframe of the experiment, the sample was enumerated
on microbiological media at the end of the experiment.
Of the 58 growth experiments, a TTD was determined in 80% of
cases demonstrating that most microorganisms could grow and
produce sufficient quantities of CO2 to trigger the standard detection
criterion of 11 mS