IUPAC recommends in the 3rd edition of Quantities, Units and Symbols in Physical Chemistry a symbol which seems to be a degree sign (°) as a substitute for the plimsoll mark.
IUPAC merekomendasikan dalam edisi ke-3 dari Quantities, Units and Symbols in Physical Chemistry simbol yang tampaknya adalah tanda derajat (°) sebagai pengganti tanda plimsoll.