Part 3 – Itemized List of Possible Evidence on Alleged Contravention of the MARPOL Annex II Discharge Provisions

1 Action on sighting pollution

1.1 Particulars of ship or ships suspected of contravention

.1 Name of ship and IMO Number

.2 Reasons for suspecting the ship

.3 Date and time (UTC) of observation or identification

.4 Position of ship

.5 Flag and port of registry

.6 Type, size (estimated tonnage) and other descriptive data (e.g. superstructure, colour and funnel mark)

.7 Draught condition (loaded or in ballast)

.8 Approximate course and speed

.9 Position of slick in relation to ship (e.g. astern, port, starboard)

.10 Part of the ship from which discharge was seen emanating

.11 Whether discharge ceased when ship was observed or contacted by radio

1.2 Particulars of slick

.1 Date and time (UTC) of observation if different from item 1.1.3

.2 Position of slick in longitude and latitude if different from item 1.1.4

.3 Approximate distance in nautical miles from the nearest land

.4 Depth of water according to sea chart

.5 Approximate overall dimension of slick (length, width and percentage thereof covered)

.6 Physical description of slick (direction and form, e.g. continuous, in patches or in windrows)

.7 Colour of slick

.8 Sky conditions (bright sunshine, overcast, etc.), lightfall and visibility (kms) at the time of observation

.9 Sea state

.10 Direction and speed of surface wind

.11 Direction and speed of current

1.3 Identification of the observer(s)

.1 Name of the observer

.2 Organization with which observer is affiliated (if any)

.3 Observer's status within the organization

.4 Observation made from aircraft (ship) (shore) or otherwise

.5 Name or identity of ship or aircraft from which the observation was made

.6 Specific location of ship, aircraft, place on shore or otherwise from which observation was made

.7 Activity engaged in by observer when observation was made, for example: patrol, voyage, flight (en route from ... to ...), etc.

1.4 Method of observation and documentation

.1 Visual

.2 Conventional photographs

.3 Remote sensing records and/or remote sensing photographs

.4 Samples taken from slick

.5 Any other form of observation (specify)

Note A photograph of the discharge should preferably be in colour. The best results may be obtained with the following three photographs:

-	details of the slick taken almost vertically down from an altitude of less than 300 metres with the sun behind the photographer;
-	an overall view of the ship and "slick" showing a substance emanating from the particular ship; and
-	details of the ship for the purposes of identification

1.5 Other information if radio contact can be established

.1 Master informed of pollution

.2 Explanation of master

.3 Ship's last port of call

.4 Ship's next port of call

.5 Name of ship's master and owner

.6 Ship's call sign

2 Investigation on board

2.1 Inspection of the Certificate (COF or NLS Certificate)

.1 Name of ship and IMO Number

.2 Distinctive number or letters

.3 Port of registry

.4 Type of ship

.5 Date and place of issue

.6 Date and place of endorsement

.7 List of Annex II substances the ship is certified to carry

.8 Limitation as to tanks in which these substances may be carried

2.2 Inspection of P and A Manual

.1 Ship equipped with an efficient stripping system

.2 Residue quantities established at survey

2.3 Inspection of Cargo Record Book (CRB)

Copy sufficient pages of the CRB to cover a full loading/unloading/ballasting and tank cleaning cycle of the ship. Also copy the tank diagram

2.4 Inspection of logbook

.1 Last port, date of departure, draught forward and aft

.2 Current port, date of arrival, draught forward and aft

.3 Ship's position at or near the time the incident was reported

.4 Spot check if times entered in the Cargo Record Book in respect of discharges correspond with sufficient distance from the nearest land, the required ship's speed and with sufficient water depth

2.5 Inspection of other documentation on board

Other documentation relevant for evidence (if necessary make copies) such as:

-	cargo documents of cargo presently or recently carried, together with relevant information on required unloading temperature, viscosity and/or melting point
-	records of temperature of substances during unloading
-	records of monitoring equipment if fitted

2.6 Inspection of ship

.1 Ship's equipment in accordance with the P and A Manual

.2 Samples taken; state location on board

.3 Sources of considerable leakage

.4 Cargo residues on surface of segregated or dedicated clean ballast

.5 Condition of pump-room bilges

.6 Condition of monitoring system

.7 Slop tank contents (estimate quantity of water and residues)

2.7 Statements of persons concerned if the CRB has not been properly completed, information on the following questions may be pertinent:

.1 Was there a discharge (accidental or intentional) at the time indicated on the incident report?

.2 Which tanks are going to be loaded in the port?

.3 Which tanks needed cleaning at sea? Had the tanks been prewashed?

.4 When and where were these cleaned?

.5 Residues of which substances were involved?

.6 What was done with the tank washing slops?

.7 Was the slop tank, or cargo tank used as a slop tank, discharged at sea?

.8 When and where was the discharge effected?

.9 What are the contents of the slop tank or cargo tank used as slop tank?

.10 Which tanks contained the dirty ballast during the ballast voyage (if ship arrived in ballast)?

.11 Which tanks contained the clean ballast during the ballast voyage (if ship arrived in ballast)?

.12 Details of the present voyage of the ship (previous ports, next ports, trade)

.13 Difficulties experienced with discharge to shore reception facilities

.14 Difficulties experienced with efficient stripping operations

.15 Which tanks are clean or dirty on arrival?

.16 Repairs carried out or envisaged in cargo tanks

Miscellaneous information

.17 Comments in respect of condition of ship's equipment

.18 Comments in respect of pollution report

.19 Other comments

3 Investigation ashore

3.1 Analyses of samples

Indicate method and results of the samples' analyses

3.2 Further information

Additional information on the ship, obtained from terminal staff, tank cleaning contractors or shore reception facilities may be pertinent

Note Any information under this heading is, if practicable, to be corroborated by documentation such as signed statements, invoices, receipts, etc.

3.3 Information from previous unloading port terminal

.1 Confirmation that the ship unloaded, stripped or prewashed in accordance with its P and A Manual

.2 The nature of difficulties if any

.3 Restrictions by authorities under which the ship was permitted to sail

.4 Restrictions in respect of shore reception facilities

4 Information not covered by the foregoing

5 Conclusion

.1 Summing up of the investigator's conclusions

.2 Indication of applicable provisions of Annex II of MARPOL which the ship is suspected of having contravened

.3 Did the results of the investigation warrant the filing of a deficiency report?