COW - Tank Cycle per MARPOL

Crude-Oil Washing tank cycle rate per MARPOL Annex I Reg. 33 - 25 % of cargo tanks per voyage minimum.

COWCycleMARPOL

Cargo tank count

Tanks COW'd per voyage: 3tanks

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

n_{per voy} = \lceil 0.25 n_{total} \rceil

Symbol	Meaning	Unit
$n_total$	Total cargo tanks

Source: MARPOL Annex I Reg. 33

In short

Crude-Oil Washing tank cycle rate per MARPOL Annex I Reg.

Learn the theory Marine Tank Cleaning and Crude Oil Washing