305 



(c) the discharge of any remaining residues shall be in accordance with the 

 provisions of paragraph (2) (b) of this Regulation and the Master makes an 

 appropriate entry in the Cargo Record Book. 



Categories B and C substances 



(4) Subject to such surveillance by the authorized Surveyor as may be deemed 

 necessary by the Contracting Government, the Master of a vessel which has 

 carried a Category B or C cargo shall ensure that the following operations are 

 carried out : 



(a) If a tank is partially unloaded or unloaded but not cleaned, the Master 

 shall make an appropriate entry in the Cargo Record Book. 



(b) If the tank is to be cleaned at sea. the Master shall : 



(i) ensure that the cargo piping system serving that tank has been drained 

 and that the appropriate entries have been made in the Cargo Record Book ; 



(ii) ascertain that the quantity remaining in the tank does not exceed the 

 maximum quantity which may be discharged for that substance under Regula- 

 tion 5(2) (c) of this Annex in the case of Category- B and 5(3) (c) of this Annex 

 for Category C substances, and make the appropriate entry in the Cargo Record 

 Book " ; 



(iii) ensure that, prior to discharge by the previously approved procedures, 

 the necesasry dilution to achieve a mixture satisfactory for such a discharge 

 has been achieved and that the appropriate entries have been made in the Cargo 

 Record Book ; 



(iv) ensure that, if any internal transfer of washings takes place from that 

 tank, appropriate entries are made in the Cargo Record Book ; 



(v) ensure that any subsequent discharges of such washings are made in 

 accordance with the requirements of Regulation 5 of this Annex for the Category 

 of cargo within. 



(c) If it is decided to clean the tanks in port, the Master shall make appro- 

 priate entries in the Cargo Record Book indicating the location and disposition 

 of the washings in accordance with the procedures approved by the Administra- 

 tion. 



Discharge from a slop tank 



(5) Any residues retained on board in a slop tank, including those from pump 

 room bilges, which contain a Category A substance, shall be di.«oharged to a 

 reception facility in accordance with the provisions of Regulation (5) (1) of 

 this Annex and an appropriate entry shall be made by the Ma.ster in the Cargo 

 Record Book. 



(6) Any residues retained on board in a slop tank including tho.se from pump 

 room bilges, which contain substances of Category B or C in excess of the 

 maximum quantities specified in Regulation 5(2) (c) of this Annex for sub- 

 srances of Category B and Regualtion 5(3) (c) of this Annex for substances of 

 Catet'ory C shall be discharged to a reception facility and an appropriate entry 

 shall be made by the Master in the Cargo Record Book. 



REGULATION 9 — CARGO RECORD BOOK 



(1) Every .ship to which this Annex anplies .shall be provided with a Cargo 

 Record Book, whether as part of the ship's official log book or otherwise, in the 

 form specified in Appendix IV to this Annex. 



[ (2) The Cargo Record Book shall be completed on each occasion, on a tank-to- 

 t.-iiik basis, whenever any of the following operations take place in the ship: 



(i) loadins of cargo; • 



(ii) transfer of cargo during the voyage; 



(iii) discharge of cargo; 



(iv) trnii«fpr of cargo, carsro residues, etc., to a slop tank; 



(v) cleaning of cargo tanks; 



(vi) discharge of .slap tanks; 



(vii) ballasting of cargo tanks; 



(viii) discharge of ballast water.^^ 



^* SnjTiP flp'eeatlons vpre of the opinion that the requirements of this sub-paragraph 

 shotii'i 'n nil casp« be w'tnp«sp'1 hv thp Snrvovor. 



1^ This is a prpliminarv fpxt which has bppn insprt^'d onlv for thp nnmosp of ind'cntine 

 the kinds of operations which will need to be covered. Further development will therefore 

 be required. 



