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MARPOL ANNEX I: OIL Discharge Criteria (Records for Tankers over 150 GT…
MARPOL ANNEX I: OIL Discharge Criteria
Records for All Ships over 400 GT
Oil Record Book, Part 1 Discharges from Machinery Spaces
ODME Records Kept 3 years
Inside Special Areas
Machinery Spaces (excluding pump rooms, slop tanks)
Oil content does not exceed 15 ppm
Oily mixture does not originate from pump room bilges on oil tanker
Oily water processed through oil filtering equipment, ODME as noted above
Oily mixture is not mixed with cargo residues
Ship is En-Route
In the Antarctic any discharge of oil into sea is prohibited
Cargo & Ballast
Any discharge while in a special area is not all is not allowed from the cargo areas of oil tankers.
Outside Special Areas
Cargo & Ballast
All these conditions must be met
tanker must be proceeding en-route
Instantaneous rate of discharge of oil content does not exceed 30 litres per nautical mile
Must be more than 50 n.miles from nearest land
The discharge of clean or segregated ballast is not prohibited when in a special area
Not in a Special Area, must wait until outside of special area
Oil Discharge Monitoring Equipment (ODME)
Continuous record of discharge rate.
Must be used for every discharge made.
Approved by administration
Must stop discharge if instantaneous rate of discharge is exceeded.
Machinery Spaces (excluding pump rooms, slop tanks)
All of these conditions must be met
The oily mixture is processed through oil filtering equipment
The oily mixture does not originate from the cargo pump rooms of an oil tanker
Ship must be proceeding en-route
The oily mixture is not mixed with cargo residues in the case of oil tankers
Records for Tankers over 150 GT
Oil Record Book, Part 1 Machinery Spaces
Oil Record Book, Part 2 Cargo & Ballast Operations
Must be provided with Slop Tanks not less than 3% of cargo capacity
ODME Records kept for 3 years