This chapter recommends the water samples and volumes to be taken, the containers to be used, the care and distribution of the samples, and the analytical procedures for use in identifying the probable source(s) of free water associated with marine petroleum cargoes.

This chapter includes the following:
a) basic sampling and on-site testing procedure,
b) basic analytical procedures,
c) Annex A?Interpretation and Presentation of Results,
d) Annex B?Comprehensive Investigative Program,
e) examples of analysis and report forms, and
f) the notice that final results should be understood to apply on the specific voyage under consideration.