Environmental Engineering Reference
In-Depth Information
Ballast Water Sampling and Sample Analysis
for Compliance Control
Stephan Gollasch and Matej David
Abstract In the past, the purpose of ballast water sampling studies was limited to
general scientifi c interest, awareness raising or the determination of organism num-
bers per water volume. In this chapter we focus on compliance control sampling
with BWM requirements as set out in the BWM Convention. Key aspects described
are sampling methods and approaches to take a representative ballast water sample
and the need for a harmonised sampling approach, to avoid that the ballast water of a
vessel is proven compliant in one port, but would not be proven compliant in another
port just because of different sampling methods or approaches used. In this chapter
we describe suitable compliance control sampling methods and approaches and
address both indicative and detailed sampling. Details on possible sampling access
points, equipment and other details recommended for in-tank and in-line sampling
are given. Further, recommendations are given how samples should be handled,
including suitable sample transport and storage conditions. Another subject of this
chapter addresses organism detection technologies for indicative and detailed sample
analysis for compliance control with BWM standards. Suitable organism detection
technologies are recommended in the end of the chapter.
Keywords Representative ballast water sampling • Indicative and detailed sam-
pling • Sampling gear • Sampling access points • Compliance monitoring and
enforcement • Sample handling • Sample transport • Sample storage • Sample anal-
ysis • Indicative analysis • Detailed analysis • Organism detection technology
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