10.1.1 Compliance with this procedure is optional. A ship meeting the requirements
of this procedure will be eligible for an appropriate
BWMP () descriptive note,
which will be recorded in column 6 of the
Register Book. The extension of one or
more of the following associated supplementary characters may be shown in brackets,
detailing the method(s) used:
- S Sequential method
- F Flow through method
- D Dilution method
- T Treatment method.