Ballast Water Sampling and Sample Analysis for Compliance Control - Global Maritime Transport and Ballast Water Management: Issues and Solutions - page 213

Fig. 21 On board operation of a PAM instrument with a fi ltration step

Fig. 22 On board operation of a stereomicroscope

1,000 m in minimum dimension may be determined in such way and their movement

in a sample could be taken as viability indication.
Presence/absence methods are available for the D-2 indicator microbes. Species
specifi c or bacteria group specifi c enzyme detection methods were developed and
these methods show in a short time whether or not the indicator microbes are present

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